The only number that goes into both 39 and 100 evenly is the number one.
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
Excluding 22 and 100, there are 39
1,3,13 and 39 are all the numbers that go into 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.