Greatest Common Factor of 14, 21, 71, 220

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

• Greatest Common Factor of 14, 21, 71, 220 by common division method
• Greatest Common Factor of 14, 21, 71, 220 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 14

List of positive integer factors of 14 that divides 14 without a remainder.

1,2,7,14

Factors of 21

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

1,3,7,21

Factors of 71

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

1,71

Factors of 220

List of positive integer factors of 220 that divides 220 without a remainder.

1,2,4,5,10,11,20,22,44,55,110,220

Greatest Common Factor

We found the factors 14,21,71,220 . The biggest common factor number is the GCF number.
So the greatest common factor 14,21,71,220 is 1.

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

• GCF of 67, 34, 36, 748
• GCF of 15, 89, 68, 121
• GCF of 25, 70, 97, 382
• GCF of 48, 45, 77, 102
• GCF of 33, 58, 67, 765

1. What is the GCF of 14, 21, 71, 220?

Answer: GCF of 14, 21, 71, 220 is 1.

2. How to Find the GCF of 14, 21, 71, 220

Answer: Greatest Common Factor(GCF) of 14, 21, 71, 220 = 1

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

Step 2: Then multiply all the prime factors GCF(14, 21, 71, 220) = 1.