Q: What numbers go into 639?

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No, multiples of 6 are even numbers.

1, 3, 9, 71, 213, 639.

6.00

No, its not divisible by 8. 639, is an odd numbers with the following divisors: 1, 3, 9, 71, 213, and itself.

600 * * * * * It is, in fact, 639

1 and 2 come before it.

213 x 3 is one solution. There are others.

213

1, 639 Then by inspection of the number 639 , we note that each number is a multiple of '3' . So '3' is a factor. Also , slightly more 'tricky'. If we add the digits of 639 ; 6 + 3 + 9 = 18 1 + 8 = 9 . This means that the number has '9' is a factor. NB This only applies to factors/multiples of '9' Finally, divide 639 by 71 and/or 213 . If you have a whole number answer (No decimals), then those numbers are also factors of 639. Hence 639/71 = 9 & 329 / 213 = 3 So allthe given numbers are factors of 639.

91 with a remainder of 2

7 with remainder 72.

639 ÷ 3 = 213