GCF
LCM
Divisibility Rules
Prime Factorization
Squares and Square Root
100
This number is the GCF between 49 and 42.
What is 7?
100
This number is the LCM between 6 and 10.
What is 30?
100

This is the divisibility rule for 2.

What is 'the number must be even'?

100
This is the prime factorization for 64.
What is 2 x 2 x 2 x 2 x 2 x 2?
100

The product of 32 x 32.

What is 81?

200
This number is the GCF between 60 and 84.
What is 12?
200
This number is the LCM between 12 and 15.
What is 60?
200

This is the divisibility rule for 3.

What is the sum of the digits must be divisible by 3?

200
This is the prime factorization for 156.
What is 2 x 2 x 3 x 13?
200

The square root of 144.

What is 12?

300
This number is the GCF between 120 and 144.
What is 24?
300
This number is the LCM between 24 and 36.
What is 72?
300

This is the divisibility rule for 5.

What is the last digit is either a 5 or a 0?

300
This is the prime factorization for 234.
What is 2 x 3 x 3 x 13?
300
The square root of 134 will fall between these 2 whole numbers.

What are 11 and 12?

400

This number is the GCF between 308 and 504.

What is 28?

400

This number is the LCM between 72 and 114.

What is 1368?

400
This is the divisibility rule for 6.
What is the number must be divisible by 2 and 3?
400
This is the prime factorization for 854.
What is 2 x 7 x 61?
400

22 + 32 + 42 + 52

What is 54?
500

This number is the GCF between 1080 and 450.

What is 90?

500

This number is the LCM between 95 and 222.

What is 21 090?

500
This is the divisibility rule for 9.
What is the sum of the digits must be divisible by 9?
500
This is the prime factorization for 987.
What is 3 x 7 x 47?
500

√ (92 - √49 + 52 + 1)

What is 10?

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