Cocoloco 1 - Divisibility

True or false?

60 is divisible by 15

• True

• False

True or false?

7 is a multiple of 21

• True

• False

Find the first multiple of 17 over 200

Is 147 a prime or a composite number?

• Prime

• Composite

Find ALL the digits to make the number 47_ divisible by 3

• 1

• 3

• 4

• 6

• 7

Find ALL the digits to make the number 245_ divisible by 9

• 1

• 3

• 4

• 6

• 7

Decompose into prime factors the number 48.

Express the result as a^m·b^n·...... (no gaps inbetween)

Decompose into prime factors the number 63.

Express the result as a^m·b^n·...... (no gaps inbetween)

Decompose into prime factors the number 396.

Express the result as a^m·b^n·...... (no gaps inbetween)

Calculate the LCM(36,48)