Give the prime factorisation of 630

630 = 5 x 126 126 = 2 x 63 63 = 7 x 9 9 = 3 x 3 so 630 = 2 x 32 x 5 x 7

AD

Related Maths GCSE answers

All answers ▸

√ 5(√ 8 + √ 2) Can be written as "a√ 10". What is the value of a?


Simplify: 2x + 6y + 2y - x


A game consists of 5 cups turned upside down, under one of the cups is a prize. 5 friend's pick a cup in turn and lifts it up, if they get the prize, they win , but if not, the cup is removed and the next friend picks. What position is it best to pick?


There are 48 girls in a large cheerleading squad. The ratio of girls to boys in this squad is 8:3. How many boys are in the squad?