Greatest Common Factor of 42, 72, 209, 331

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

• Greatest Common Factor of 42, 72, 209, 331 by common division method
• Greatest Common Factor of 42, 72, 209, 331 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 42

List of positive integer factors of 42 that divides 42 without a remainder.

1,2,3,6,7,14,21,42

Factors of 72

List of positive integer factors of 72 that divides 72 without a remainder.

1,2,3,4,6,8,9,12,18,24,36,72

Factors of 209

List of positive integer factors of 209 that divides 209 without a remainder.

1,11,19,209

Factors of 331

List of positive integer factors of 331 that divides 331 without a remainder.

1,331

Greatest Common Factor

We found the factors 42,72,209,331 . The biggest common factor number is the GCF number.
So the greatest common factor 42,72,209,331 is 1.

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

• GCF of 67, 75, 554, 897
• GCF of 95, 56, 232, 223
• GCF of 63, 52, 156, 961
• GCF of 77, 31, 992, 306
• GCF of 77, 48, 280, 842

1. What is the GCF of 42, 72, 209, 331?

Answer: GCF of 42, 72, 209, 331 is 1.

2. How to Find the GCF of 42, 72, 209, 331

Answer: Greatest Common Factor(GCF) of 42, 72, 209, 331 = 1

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

Step 2: Then multiply all the prime factors GCF(42, 72, 209, 331) = 1.