Greatest Common Factor of 636, 551, 20

Greatest common factor or Greatest common divisor (GCD) can be calculated in two ways

• Greatest Common Factor of 636, 551, 20 by common division method
• Greatest Common Factor of 636, 551, 20 with matching the biggest common factor

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∴ GCF of numbers is 1 because of no common factors present between them.

Factors of 636

List of positive integer factors of 636 that divides 636 without a remainder.

1,2,3,4,6,12,53,106,159,212,318,636

Factors of 551

List of positive integer factors of 551 that divides 551 without a remainder.

1,19,29,551

Factors of 20

List of positive integer factors of 20 that divides 20 without a remainder.

1,2,4,5,10,20

Greatest Common Factor

We found the factors 636,551,20 . The biggest common factor number is the GCF number.
So the greatest common factor 636,551,20 is 1.

Here are some samples of GCF of two or more Numbers calculations.

• GCF of 322, 641, 42
• GCF of 338, 925, 82
• GCF of 198, 375, 42
• GCF of 164, 863, 64
• GCF of 856, 273, 11

1. What is the GCF of 636, 551, 20?

Answer: GCF of 636, 551, 20 is 1.

2. How to Find the GCF of 636, 551, 20

Answer: Greatest Common Factor(GCF) of 636, 551, 20 = 1

Step 1: Divide all the numbers with common prime numbers having remainder zero.

Step 2: Then multiply all the prime factors GCF(636, 551, 20) = 1.