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All EVEN Numbers are divisible by '2'

All numbers ending in '5' or ''0' are divisible by '5'

All numbers whose digits add to '9' are divisible by '9'. e.g. 234 2+3+4 = 9

All numbers whose form is ' m(m+n)n ' e.g. 132 are divisible by '11'.

This leaves only '3' and '7' to test by actual division.

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lenpollock

Lvl 16
1mo ago

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Divide the smaller number into the larger one. If the answer is an integer, it's a multiple.

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Wiki User

7y ago
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Q: How do you know whether a number is a multiple of another number?
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