What is the smallest number 13 and 7 will go into?

Answer 1

What you are looking for is the Common Factor/Divisor. In this case, because both 7 and 13 are prime numbers, the answer is 1. But this is often considered a trivial factor since it is a common factor of all integers.

Answer 2

84, 168, 252, 336, 420, 504, 588, 672, 756, 840 +84 . . .

Answer 3

There are an infinite number of multiples of 9 and 7. The lowest of which (least common multiple) is 63.

Answer 4

Since 7 and 13 are both prime numbers, only their product or one of its multiples can be divided by both of them.

Answer 5

Any multiple of 91.

Answer 6

The number is 91.

Answer 7

36, 72, 108, 144, 180 +36 . . .

Answer 8

252 and all of its integral multiples.