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Prime Numbers
Odd or Even
100

2 x 9

What is 18

100

6 x 4

What is 24

100

This is the only even prime number

What is 2

100

You always get this kind of number if you multiply 2 odd numbers

What is an odd number

200

4 x 7

What is 28

200

Multiply 7 times this and you get 49

What is 7

200

Prime numbers all have exactly this many factors

What is 2

200

Multiply an odd number by an even number and you get this

What is an even number

300

8 x 6

What is 48

300

2 times this number gets you 24

What is 12

300

This is the smallest odd prime number

What is 3

300

To get 56, you need to multiply 7 by this even number

What is 8

400

11 x 8

What is 88

400

63 divided by 7

What is 9

400

You get this answer if you multiply the 2 smallest prime numbers

What is 6

400

Oddly, this even number multiplied by itself gets you 100

What is 10

500

101 x 8

What is 808

500

24 x 7

What is 168

500

This is the highest prime number less than 50

What is 47

500

This is the 2nd double digit odd number

What is 13