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Determine the prime factorisation of 840...

Determine the prime factorisation of 840.

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Knowledge Check

  • Write the prime factorisation of 3825.

    A
    `3^(2)xx5^(2)xx17`
    B
    `3^(3)xx5xx17`
    C
    `3^(2)xx5xx17`
    D
    `3xx5^(3)xx17`
  • The prime factorisation of 640 is:

    A
    `2 xx 2 xx 2 xx 2 xx 2 xx5`
    B
    `2 xx 2 xx 2 xx 2 xx 2 xx 2 xx 5`
    C
    `2 xx 2xx2 xx2xx2 xx 5 xx5`
    D
    `2 xx 2 xx 2 xx2 xx 2 xx 2 xx 2 xx5`
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    Write the prime factorisation of 8190

    Every composite number can be expressed as a product of primes and this factorisation is unique except the order in which prime factor occurs. Determine prime factorisation of 205751.

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