[Speed Math] DIVIDING NUMBERS USING FACTORING

Here’s an example of a SPEED MATH shortcut for DIVIDING NUMBERS USING FACTORING: (Div) NdM(Ft) from the DIVISION category.

When can I use this method?

For dividing any number by any other number provided either one or both the numbers can be factorized to its prime factors. Also, there should be common factors amongst them that can be eliminated.

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Download Practice sheet for DIVIDING NUMBERS USING FACTORING

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Notes –

1. When factorizing numbers, always start with the lowest prime factor.
2. Try using the Test of Divisibility to quickly find factors.

Related Shortcuts –

None

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