Five is the greatest prime factor of 100.
The GCF is 2.
what number is not a prime factor
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.
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.
The prime factors of 100 are: 2 and 5
No.
1
5 is the largest prime factor of 100. Prime factors of 100 are 2 x 2 x 5 x 5
100
4
3
16