Five is the greatest prime factor of 100.
The GCF is 2.
42 prime factors -----> 2,3,7 105 prime factors -----> 3,5,7 There is 3 and 7 in common : There fore 3*7 = 21; 21 is the greatest common factor.
what number is not a prime factor
Considering that 100 = (2^2)*(5^5) and 38 = (2^1)*(19^1), we can see that 2 is the greatest common prime factor between 100 and 38. If the question meant the greatest prime factor of either 100 or 38, then the answer is 19.
1
The prime factors of 100 are: 2 and 5
No.
5 is the largest prime factor of 100. Prime factors of 100 are 2 x 2 x 5 x 5
54
21
8
4