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Every composite number can be expressed ...

Every composite number can be expressed as a product of primes and this factorisation is unique except the order in which prime factor occurs.
Express 945 as a product of prime factors.

A

`3xx5^(3)xx7`

B

`3^(2)xx5^(2)xx7`

C

`3^(3)xx5xx7`

D

`21xx3^(2)xx5`

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Knowledge Check

  • 325 can be expressed as a product of its primes as

    A
    `5^(2)xx7`
    B
    `5^(2)xx13`
    C
    `5xx13^(2)`
    D
    `2xx3^(2)xx5^(2)`

  • 325 can be expressed as a product of its primes as

    A
    `5^(2)xx 7`
    B
    `5^(2) xx 13`
    C
    `5 xx 13`
    D
    `2 xx 3^(2)xx 5^(2)`

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