Five.
2 is the only prime factor divisible by 2.
Five is the greatest prime factor of 100.
what number is not a prime factor
No, 100 is.
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
When all of the factors are prime. The longest factor string is the prime factorization.
No.
5 is the largest prime factor of 100. Prime factors of 100 are 2 x 2 x 5 x 5
100
97 is prime.
"Biggest" is a superlative term and so, unless otherwise qualified, there can be only one "biggest".The biggest prime number (not numbers) lower than 100 is (not are) 97.