GCF for 100 and 260

What is the Greatest common Divisor of 100 and 260?

Answer: GCF of 100 and 260 is 20

(Twenty)

Finding GCF for 100 and 260 using all factors (divisors) listing

The first method to find GCF for numbers 100 and 260 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 260: 1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260

So the Greatest Common Factor for 100 and 260 is 20

Finding GCF for 100 and 260 by Prime Factorization

The second method to find GCF for numbers 100 and 260 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 260: 2, 2, 5, 13

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
852605
862602
872601
882604
892601
9026010
9126013
922604
932601
942602
952605
962604
972601
982602
992601
10026020
1012601
1022602
1032601
10426052
1052605
1062602
1072601
1082604
1092601
11026010
1112601
1122604
1132601
1142602

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 260? (The answer is: 20). Select the first number (e.g. '100') and the second number (e.g. '260'). 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 260?

GCF of 100 and 260 is 20