Greatest Common Factor of 220, 645, 442

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

• Greatest Common Factor of 220, 645, 442 by common division method
• Greatest Common Factor of 220, 645, 442 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 645

List of positive integer factors of 645 that divides 645 without a remainder.

1,3,5,15,43,129,215,645

Factors of 442

List of positive integer factors of 442 that divides 442 without a remainder.

1,2,13,17,26,34,221,442

Greatest Common Factor

We found the factors 220,645,442 . The biggest common factor number is the GCF number.
So the greatest common factor 220,645,442 is 1.

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

• GCF of 764, 133, 291
• GCF of 304, 593, 680
• GCF of 354, 730, 778
• GCF of 162, 972, 675
• GCF of 615, 430, 868

1. What is the GCF of 220, 645, 442?

Answer: GCF of 220, 645, 442 is 1.

2. How to Find the GCF of 220, 645, 442

Answer: Greatest Common Factor(GCF) of 220, 645, 442 = 1

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

Step 2: Then multiply all the prime factors GCF(220, 645, 442) = 1.