Greatest Common Factor of 220, 438, 79

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

• Greatest Common Factor of 220, 438, 79 by common division method
• Greatest Common Factor of 220, 438, 79 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 438

List of positive integer factors of 438 that divides 438 without a remainder.

1,2,3,6,73,146,219,438

Factors of 79

List of positive integer factors of 79 that divides 79 without a remainder.

1,79

Greatest Common Factor

We found the factors 220,438,79 . The biggest common factor number is the GCF number.
So the greatest common factor 220,438,79 is 1.

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

• GCF of 745, 480, 73
• GCF of 859, 209, 94
• GCF of 384, 193, 96
• GCF of 425, 443, 54
• GCF of 183, 981, 15

1. What is the GCF of 220, 438, 79?

Answer: GCF of 220, 438, 79 is 1.

2. How to Find the GCF of 220, 438, 79

Answer: Greatest Common Factor(GCF) of 220, 438, 79 = 1

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

Step 2: Then multiply all the prime factors GCF(220, 438, 79) = 1.