Prime Pop Quiz: Know Your Primes? Take this quiz at: Boston Globe is a Sexy Prime. Boston Globe is a Sexy Prime. TheMathMom: Life is a puzzle. Solve it with numbersLife is a puzzle. Solve it with numbers. Copyright TheMathMom.com1

Puzzle 1: Prime Olympics? True or False: Number of rings in the Olympic emblem is prime. Pick one: 1.True 2.False Copyright TheMathMom.com2

Puzzle 2: Leap Prime? True or False: A leap year cannot be a prime number year. Pick one: 1.True 2.False Copyright TheMathMom.com3

Puzzle 3: Infiltrator. Which of the following four numbers is not a prime? Pick one: Copyright TheMathMom.com4

Puzzle 4: What are primes? Which one of the following is a correct definition of a prime number: 1.Odd number ending with 1, 3, 5, or 7. 2.Any number present in the multiplication table. Multiplication table is a base of all the numbers. 3.Number that can be divided by only two distinct whole- number divisors. 4.Number that looks the same left-to-right and right-to-left. Copyright TheMathMom.com5

Puzzle 5: Prime flowers? True or False: Number of petals in any flower is always prime. 1.True 2.False Copyright TheMathMom.com6

Puzzle 6: Even primes? No even number is prime because all even numbers are divisible by 2. Pick one: 1.True 2.False Copyright TheMathMom.com7

Puzzle 7: Math Magic. True or False: This trick can only be done in the prime year such as 2011: Take the age you are turning this year, add the last two digits of the year you were born and get a number that ends with 11 or 111. Is it: 1.True 2.False Copyright TheMathMom.com8

Puzzle 8: Prime Senate? Number of Democrats in the US Senate is a prime number as well as the number of Republicans in the US Senate. Is this statement: 1.True 2.False Copyright TheMathMom.com9

Puzzle 9: Prime 108. True or false: Famous Prime 108 restaurant in Nashville, TN located in the Union Station is named after prime number 108 that is the number of entries on their menu. Pick one: 1.True 2.False Copyright TheMathMom.com10

Puzzle 10: True or false: True or false: Current year is very special. It is prime in Gregorian calendar – year 2011; prime in Islamic calendar – year And prime in the Hebrew calendar – Is it: 1.True 2.False Copyright TheMathMom.com11

Puzzle answers: 1.True or false: Number of rings in the Olympic emblem is prime. Answer: True, there are 5 rings and 5 is a rime number. 2.True or false: Leap year cannot be a prime number year. Answer: true, leap year numbers are divisible by 4. 3.Which of the following four numbers is not a prime: 1, 37, 911, 991. Answer: 1 is not prime because prime should have two different divisors: 1 and itself. However, long time ago 1 was considered to be a prime. 4.Which one of the following is a correct definition of a prime number: – Odd number ending with 1, 3, 5, or 7. – Any number present in the multiplication table. Multiplication table is a base of all the numbers. – Number that can be divided by only two distinct divisors. – Number that looks the same left-to-right and right-to-left. Answer: #3. 5.True or false: Number of petals in any flower is always prime. Answer: false. There are 4 petal flowers. 6.True or false: No even number is prime because all even numbers are divisible by 2 in addition to divisors of 1 and itself. Answer: this is false because 2 is a prime number. The only even prime. It is divisible by 1 and 2. 7.True or False: This trick can only be done in the prime year such as 2011: Take the age you are turning this year, add the last two digits of the year you were born and get a number that ends with 11 or 111. Answer: false. If you add your age to the year you are born you will always get current year. This trick will work for any year that ends with 11 such as = 3 x 7 x 7 x 13 Copyright TheMathMom.com12

Puzzle answers: 8.Number of Democrats in the US Senate is a prime number as well as the number of Republicans in the US Senate. Answer: This is true. There are 47 Democrats and 53 Republicans currently in US Senate. 9.True or false: Famous Prime 108 restaurant in Nashville, TN located in the Union Station is named after prime number 108 that is the number of entries on their menu. Answer: false. 108 is not a prime number (108=54x2). The restaurant is named for a Bully 108, the first steam engine to chug through Union Station, and "prime" alludes to the high-quality ingredients used to compose the dishes. 10.True or false: Current year is very special. It is prime in Gregorian calendar – year 2011; prime in Islamic calendar – year And prime in the Hebrew calendar – Answer: false and 1432 are not prime numbers. Copyright TheMathMom.com13

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