You have most likely heard the term factor before. A factor is a number that goes into another. The factors of 10 for example are 1, 2, 5 and 10. Prime numbers are a special set of numbers that only ...
An example of a composite mathematical expression is 6x squared times 5x plus 15. To write this expression as a product of primes, we must factor it completely. Parts of this expression are trickier ...
Sometimes you are given numbers expressed as a product of prime factors. For example, 8 = 2 3 and 90 = 2 × 3 2 × 5. If you want to find the LCM and HCF in an exam, we can use prime factor form to ...
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