Greatest Common Factor of 65, 70, 31, 378

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

• Greatest Common Factor of 65, 70, 31, 378 by common division method
• Greatest Common Factor of 65, 70, 31, 378 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 65

List of positive integer factors of 65 that divides 65 without a remainder.

1,5,13,65

Factors of 70

List of positive integer factors of 70 that divides 70 without a remainder.

1,2,5,7,10,14,35,70

Factors of 31

List of positive integer factors of 31 that divides 31 without a remainder.

1,31

Factors of 378

List of positive integer factors of 378 that divides 378 without a remainder.

1,2,3,6,7,9,14,18,21,27,42,54,63,126,189,378

Greatest Common Factor

We found the factors 65,70,31,378 . The biggest common factor number is the GCF number.
So the greatest common factor 65,70,31,378 is 1.

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

• GCF of 89, 14, 51, 523
• GCF of 54, 75, 85, 453
• GCF of 61, 79, 67, 491
• GCF of 74, 91, 35, 819
• GCF of 50, 93, 81, 945

1. What is the GCF of 65, 70, 31, 378?

Answer: GCF of 65, 70, 31, 378 is 1.

2. How to Find the GCF of 65, 70, 31, 378

Answer: Greatest Common Factor(GCF) of 65, 70, 31, 378 = 1

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

Step 2: Then multiply all the prime factors GCF(65, 70, 31, 378) = 1.