Greatest Common Factor of 126, 221, 220

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

• Greatest Common Factor of 126, 221, 220 by common division method
• Greatest Common Factor of 126, 221, 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 126

List of positive integer factors of 126 that divides 126 without a remainder.

1,2,3,6,7,9,14,18,21,42,63,126

Factors of 221

List of positive integer factors of 221 that divides 221 without a remainder.

1,13,17,221

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 126,221,220 . The biggest common factor number is the GCF number.
So the greatest common factor 126,221,220 is 1.

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

• GCF of 274, 972, 960
• GCF of 795, 130, 764
• GCF of 924, 600, 868
• GCF of 194, 295, 641
• GCF of 796, 192, 621

1. What is the GCF of 126, 221, 220?

Answer: GCF of 126, 221, 220 is 1.

2. How to Find the GCF of 126, 221, 220

Answer: Greatest Common Factor(GCF) of 126, 221, 220 = 1

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

Step 2: Then multiply all the prime factors GCF(126, 221, 220) = 1.