Prime Number
Composite Number
Divisibility Rules
100

A number that has two factors: one and itself.

Prime Number

100

A number that has three or more factors.

Composite Number

100

All even numbers are divisible by this number.

2

200

This is the smallest Prime Number.

2

200
What is the smallest Composite Number?

4

200

Which two rules of divisibility where in you need to add the add the digits and the sum should be a multiple of that number?

3 & 9

300

Which is Prime Number 81, 51 or 91?

91

300

How many Factors does 90 has?

12 Factors

300

56 is divisible by 2, 3, 4, 5, 6, and ?

7

400
Who made a Sieve that will help you find Prime Number?

 Eratosthenes

400

Which among these numbers is Composite? 141, 21, or 53

53

400

385 is divisible by 3 and other two prime numbers?

7 and 11

500

Is 337 a prime number?

Yes

500

Is 111 a composite number?

Yes

500

1,023 is divisible by 2 prime numbers. What are those?

3 and 11