Greatest Common Factor of 81, 672, 646

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

• Greatest Common Factor of 81, 672, 646 by common division method
• Greatest Common Factor of 81, 672, 646 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 81

List of positive integer factors of 81 that divides 81 without a remainder.

1,3,9,27,81

Factors of 672

List of positive integer factors of 672 that divides 672 without a remainder.

1,2,3,4,6,7,8,12,14,16,21,24,28,32,42,48,56,84,96,112,168,224,336,672

Factors of 646

List of positive integer factors of 646 that divides 646 without a remainder.

1,2,17,19,34,38,323,646

Greatest Common Factor

We found the factors 81,672,646 . The biggest common factor number is the GCF number.
So the greatest common factor 81,672,646 is 1.

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

• GCF of 77, 930, 475
• GCF of 37, 702, 827
• GCF of 70, 523, 157
• GCF of 99, 758, 749
• GCF of 74, 746, 930

1. What is the GCF of 81, 672, 646?

Answer: GCF of 81, 672, 646 is 1.

2. How to Find the GCF of 81, 672, 646

Answer: Greatest Common Factor(GCF) of 81, 672, 646 = 1

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

Step 2: Then multiply all the prime factors GCF(81, 672, 646) = 1.