GCF of 27 and 45 is
8
9
10
5
The prime factorisation of 84 is
2 × 2 × 2 × 3 × 7
2 × 3 × 3 × 7
2 × 2 × 3 × 7
2 × 2× 3× 3× 7
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
The factors of 27 are
1, 7, 9, 27
1, 3, 9, 27
1, 2, 7, 27
1, 14, 27
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 common factors of 8 and 12 are
2, 4, 8
2, 3, 6
2, 4, 6
2, 4
The multiples of 3 less than 20 are.
1, 3, 6, 9, 12, 15, 18
3, 6, 9, 12, 15, 18
1, 3, 9 12, 15, 18
3, 9, 12, 15, 18, 21
Without actual division determine which of the following is divisible by 3
5695
32900
264
17630
Without actual division determine which of the following is divisible by 5.
12345
32873
71324
17362
The factors of 31 are
1, 3, 31
1, 6, 3, 31
1, 31
1, 7, 31
