Greatest Common Factor of 220, 721, 399

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

• Greatest Common Factor of 220, 721, 399 by common division method
• Greatest Common Factor of 220, 721, 399 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 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

Factors of 721

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

1,7,103,721

Factors of 399

List of positive integer factors of 399 that divides 399 without a remainder.

1,3,7,19,21,57,133,399

Greatest Common Factor

We found the factors 220,721,399 . The biggest common factor number is the GCF number.
So the greatest common factor 220,721,399 is 1.

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

• GCF of 852, 639, 184
• GCF of 169, 543, 278
• GCF of 403, 202, 256
• GCF of 114, 875, 427
• GCF of 956, 273, 794

1. What is the GCF of 220, 721, 399?

Answer: GCF of 220, 721, 399 is 1.

2. How to Find the GCF of 220, 721, 399

Answer: Greatest Common Factor(GCF) of 220, 721, 399 = 1

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

Step 2: Then multiply all the prime factors GCF(220, 721, 399) = 1.