Numbers 06

Table of Contents

  • Factors – Introduction
  • Summary
  • What’s Next?

In the previous segment, we learnt what a Polynomial is. Before discussing the factorisation of polynomials let us understand the concept of Factors in this segment.

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    What are Factors of a number?

    Factors of a number are the exact divisors of that number.

    In other words, a number is a factor of another if after dividing the latter by the former, the remainder is zero.

    For example, 4 is a factor of 24 because when we divide 24 by 4, we get the quotient as 6 and the remainder as zero. This also implies that 24 can be divided into 4 equal parts.

    6

    24

    4

    -24

    0

    On the other hand, 5 is not a factor of 24, because dividing 24 by 5 gives a remainder 4. Which also means that 24 cannot be divided into 5 equal parts.

    4

    5

    24

    -20

    4

    Thus it can be concluded that: If ‘a’ is divisible by ‘b’, then ‘b’ is a factor of ‘a’.

    Summary

    Factors

    Factors of a number are the exact divisors of that number.

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