Without actual division determine which of the following is divisible by 9.
10008
68709
17360
32900
GCF of 27 and 45 is
8
9
10
5
Without actual division determine which of the following is divisible by 4
5695
3978
The prime numbers less than 15 are.
1, 2, 3, 7, 11, 13
1, 2, 3, 5, 7, 11, 13
2, 3, 7, 11, 13
2, 3, 5, 7, 11, 13
The multiples of 6 less than 40 are
1, 6, 12, 18, 24, 30, 36
1, 6, 12, 24, 30, 36
6, 12, 18, 24, 30, 36
6, 12, 24, 30, 36
The common factors of 12 and 30 are
2, 3, 6
2, 3, 4
2, 3, 5
2, 4, 6
The factors of 8 are
1, 2, 4, 8
1, 2, 8
2, 4, 8
1, 4, 8
The prime numbers between 20 and 40 are
23, 29, 31, 37
23, 27, 29, 31, 37
23, 27, 29, 31, 33
23, 29, 31, 35, 37
Without actual division determine which of the following is divisible by 6.
32873
63855
961572
The prime factorisation of 1080 is
2 × 2 × 2 × 3× 3× 3×5
2× 2× 2× 2× 2× 3× 3× 5
2× 2× 3× 3× 3× 3× 5
2× 2× 2× 3× 3× 5× 5
