Greatest Common Factor of 721, 221, 920

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

• Greatest Common Factor of 721, 221, 920 by common division method
• Greatest Common Factor of 721, 221, 920 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 721

List of positive integer factors of 721 that divides 721 without a remainder.

1,7,103,721

Factors of 221

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

1,13,17,221

Factors of 920

List of positive integer factors of 920 that divides 920 without a remainder.

1,2,4,5,8,10,20,23,40,46,92,115,184,230,460,920

Greatest Common Factor

We found the factors 721,221,920 . The biggest common factor number is the GCF number.
So the greatest common factor 721,221,920 is 1.

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

• GCF of 361, 632, 383
• GCF of 106, 659, 829
• GCF of 118, 366, 870
• GCF of 924, 169, 687
• GCF of 145, 454, 168

1. What is the GCF of 721, 221, 920?

Answer: GCF of 721, 221, 920 is 1.

2. How to Find the GCF of 721, 221, 920

Answer: Greatest Common Factor(GCF) of 721, 221, 920 = 1

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

Step 2: Then multiply all the prime factors GCF(721, 221, 920) = 1.