GCF for 100 and 625

What is the Greatest common Divisor of 100 and 625?

Answer: GCF of 100 and 625 is 25

(Twenty-five)

Finding GCF for 100 and 625 using all factors (divisors) listing

The first method to find GCF for numbers 100 and 625 is to list all factors for both numbers and pick the highest common one:

All factors of 100: 1, 2, 4, 5, 10, 20, 25, 50, 100

All factors of 625: 1, 5, 25, 125, 625

So the Greatest Common Factor for 100 and 625 is 25

Finding GCF for 100 and 625 by Prime Factorization

The second method to find GCF for numbers 100 and 625 is to list all Prime Factors for both numbers and multiply the common ones:

All Prime Factors of 100: 2, 2, 5, 5

All Prime Factors of 625: 5, 5, 5, 5

As we can see there are Prime Factors common to both numbers: 5, 5

Now we need to multiply them to find GCF: 5 × 5 = 25

GCF Table

Number 1Number 2GCF
856255
866251
876251
886251
896251
906255
916251
926251
936251
946251
956255
966251
976251
986251
996251
100625
1016251
1026251
1036251
1046251
1056255
1066251
1076251
1086251
1096251
1106255
1116251
1126251
1136251
1146251

About "Greatest Common Factor" Calculator

This calculator will help you find the greatest common factor (GCF) of two numbers. For example, it can help you find out what is the Greatest common Divisor of 100 and 625? (The answer is: 25). Select the first number (e.g. '100') and the second number (e.g. '625'). After that hit the 'Calculate' button.
Greatest Common Factor (GCF) also known as the Greatest Common Divisor (GCD) or Highest Common Factor (HCF) - it is the largest positive integer that divides each of the integers with zero remainder

FAQ

What is the Greatest common Divisor of 100 and 625?

GCF of 100 and 625 is 25