Greatest Common Factor of 39, 21, 51, 331

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

• Greatest Common Factor of 39, 21, 51, 331 by common division method
• Greatest Common Factor of 39, 21, 51, 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 39

List of positive integer factors of 39 that divides 39 without a remainder.

1,3,13,39

Factors of 21

List of positive integer factors of 21 that divides 21 without a remainder.

1,3,7,21

Factors of 51

List of positive integer factors of 51 that divides 51 without a remainder.

1,3,17,51

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 39,21,51,331 . The biggest common factor number is the GCF number.
So the greatest common factor 39,21,51,331 is 1.

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

• GCF of 34, 16, 66, 277
• GCF of 98, 66, 23, 495
• GCF of 89, 48, 87, 885
• GCF of 52, 58, 83, 102
• GCF of 62, 70, 40, 448

1. What is the GCF of 39, 21, 51, 331?

Answer: GCF of 39, 21, 51, 331 is 1.

2. How to Find the GCF of 39, 21, 51, 331

Answer: Greatest Common Factor(GCF) of 39, 21, 51, 331 = 1

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

Step 2: Then multiply all the prime factors GCF(39, 21, 51, 331) = 1.