GCF for 100 and 880

What is the Greatest common Divisor of 100 and 880?

Answer: GCF of 100 and 880 is 20

(Twenty)

Finding GCF for 100 and 880 using all factors (divisors) listing

The first method to find GCF for numbers 100 and 880 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 880: 1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880

So the Greatest Common Factor for 100 and 880 is 20

Finding GCF for 100 and 880 by Prime Factorization

The second method to find GCF for numbers 100 and 880 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 880: 2, 2, 2, 2, 5, 11

As we can see there are Prime Factors common to both numbers: 2, 2, 5

Now we need to multiply them to find GCF: 2 × 2 × 5 = 20

GCF Table

Number 1Number 2GCF
858805
868802
878801
8888088
898801
9088010
918801
928804
938801
948802
958805
9688016
978801
988802
9988011
10088020
1018801
1028802
1038801
1048808
1058805
1068802
1078801
1088804
1098801
110880110
1118801
11288016
1138801
1148802

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 880? (The answer is: 20). Select the first number (e.g. '100') and the second number (e.g. '880'). 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 880?

GCF of 100 and 880 is 20