Factor, multiple and prime numbers | Baamboozle - Baamboozle

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All prime numbers have exactly two factors. True or false?

True

I am a prime number. I am between 25 and 42. My units digit is a prime number. Who am I?

37

All 2-digit prime numbers have a ones digit of 1, 3, 7 or 9. True or false?

True

List 3 common multiples of 25 and 20?

100, 200, 300, ...

I am a prime number. I am a 2-digit number. My digits have a difference of 7. Who am I?

29

There are 10 prime numbers less than 30. True or false?

True

I am the fourth prime number after 40. Who am I?

53

What is the smallest 2-digit prime number?

11

I am the third prime number after 20. Who am I?

31

List three common multiples of 3 and 4.

12, 24, 36, ...

There are 4 prime numbers between 10 and 20. True or false?

True

All prime numbers are odd numbers. True or fasle?

False

I am a prime number. I am between 40 and 80. When my digits are reversed I am another prime number. Who am I?

71, 73 or 79

What is the highest common factor of 8 and 12?

4

1 is not a prime number. True or false?

True

I am a prime number. I am between 20 and 70. My digits total is 10. Who am I?

37