1.

Find the prime factorisation of: 504

Answer»

`2 xx 2 xx 3 xx 3 xx 3 xx 7`
`2 xx 2 xx 2 xx 3 xx 3 xx 7`
`2 xx 2 xx 2 xx 3 xx 3 xx 6`
`2 xx 2 xx 3 xx 3 xx 3 xx 6`

ANSWER :B


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