The factors of 25 are 1, 5 and 25. None of them are between 99 and 251.
152-251 = -99
99 as a product of its prime factors is: 3*3*11 or 32*11
I'm uncertain about what you mean by "relatively", but 75 and 99 are not prime. Factors of 75: 1, 3, 5, 15, 25 and 75 Factors of 99: 1, 9, 11 and 99
All of the odd numbers in that range can be factors.
There are no common factors between 99 and 130, so it is in its simplest form
3 is the GCF of 75 and 99. This leaves you with 25 and 33 respectively. Aside from 1, there are no further factors in common.
25
The factors of 99 are 1, 3, 9, 11, 33 and 99.
The factors of 99 are: 1 3 9 11 33 99.
The greatest common factor of 99 and 25 is 1. There are not other numbers that are common between them.
99 has six factors (1,99;3,33;9,11)
60, 72, 84, 90, and 96 each have 12 factors.