Oh, what a happy little question! Let's see, for 39, you can divide it by 1, 3, 13, and 39. And for 100, you can divide it by 1, 2, 4, 5, 10, 20, 25, 50, and 100. Remember, there are no mistakes in math, just happy little numbers finding their place.
There are infinitely many numbers between 39 and 100.
1. The two numbers are coprime.
1, 3, 13, 39.
1, 3, 13, 39.
The HCF of 39 and 20 is 1
1,3,13 and 39 are all the numbers that go into 39.
Excluding 22 and 100, there are 39
13
The prime factors of 39 are 3 and 13.
39*3=117 39*5=195
2+29+69 = 100 2+39+59 = 100 .... A pattern emerges.
1 and 13.