There are an infinite list of numbers that "go into" 36.
The positive whole numbers that go into 36 evenly (the "factors") are:
1, 2, 3, 4, 6, 9, 12, 18, and 36.
3 goes into 36 and 63 evenly.
2 is one such number.
1
4
To find a number that goes into both 36 and 13, we can look for their greatest common divisor (GCD). The GCD of 36 and 13 is 1, since 13 is a prime number and does not divide 36. Therefore, the only integer that goes into both 36 and 13 is 1.
Because 2 goes into 36 without remainder. 36 = 2*18
That number is 9.
Their HCF is 2
One and three
Their HCF is 2
6
Its 12. To do this you see what number goes into 36 three times