Index Notation
5 x 5
52
Factorise 42 and express it as a product of prime factors.
2 x 3 x 7
Find the LCM of 12, 18
22 x 32 = 36
Find the GCF of 12, 42
2 x 3 = 6
17 x 17 x 17
173
Factorise 216 and express it as a product of prime factors.
22 x 79
Find the LCM of 78, 56.
23 x 3 x 7 x 13 = 2,184
Find the GCF of 15, 63
3
2 x 2 x 7 x 7
22 x 72
Factorise 425 and express it as a product of prime factors.
52 x 17
Find the LCM of 18,24
23 x 32 = 72
Find the GCF of 96, 36.
22 x 3 = 12
Factorise 648 and express it as a product of prime factors.
23 x 34
Find the LCM of 225, 105
32 x 52 x 7 = 1,575
Find the GCF of 108, 48.
22 x 3 = 12