Greatest Common Factor of 71, 88, 21, 621

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

• Greatest Common Factor of 71, 88, 21, 621 by common division method
• Greatest Common Factor of 71, 88, 21, 621 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 71

List of positive integer factors of 71 that divides 71 without a remainder.

1,71

Factors of 88

List of positive integer factors of 88 that divides 88 without a remainder.

1,2,4,8,11,22,44,88

Factors of 21

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

1,3,7,21

Factors of 621

List of positive integer factors of 621 that divides 621 without a remainder.

1,3,9,23,27,69,207,621

Greatest Common Factor

We found the factors 71,88,21,621 . The biggest common factor number is the GCF number.
So the greatest common factor 71,88,21,621 is 1.

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

• GCF of 31, 36, 93, 478
• GCF of 47, 84, 94, 297
• GCF of 97, 56, 92, 201
• GCF of 56, 20, 94, 404
• GCF of 20, 88, 11, 615

1. What is the GCF of 71, 88, 21, 621?

Answer: GCF of 71, 88, 21, 621 is 1.

2. How to Find the GCF of 71, 88, 21, 621

Answer: Greatest Common Factor(GCF) of 71, 88, 21, 621 = 1

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

Step 2: Then multiply all the prime factors GCF(71, 88, 21, 621) = 1.