Greatest Common Factor of 84, 21, 11, 636

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

• Greatest Common Factor of 84, 21, 11, 636 by common division method
• Greatest Common Factor of 84, 21, 11, 636 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 84

List of positive integer factors of 84 that divides 84 without a remainder.

1,2,3,4,6,7,12,14,21,28,42,84

Factors of 21

List of positive integer factors of 21 that divides 21 without a remainder.

1,3,7,21

Factors of 11

List of positive integer factors of 11 that divides 11 without a remainder.

1,11

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

Greatest Common Factor

We found the factors 84,21,11,636 . The biggest common factor number is the GCF number.
So the greatest common factor 84,21,11,636 is 1.

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

• GCF of 15, 82, 75, 232
• GCF of 71, 12, 24, 331
• GCF of 43, 14, 54, 555
• GCF of 45, 33, 14, 465
• GCF of 82, 69, 63, 986

1. What is the GCF of 84, 21, 11, 636?

Answer: GCF of 84, 21, 11, 636 is 1.

2. How to Find the GCF of 84, 21, 11, 636

Answer: Greatest Common Factor(GCF) of 84, 21, 11, 636 = 1

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

Step 2: Then multiply all the prime factors GCF(84, 21, 11, 636) = 1.