Greatest Common Factor of 647, 641, 42

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

• Greatest Common Factor of 647, 641, 42 by common division method
• Greatest Common Factor of 647, 641, 42 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 647

List of positive integer factors of 647 that divides 647 without a remainder.

1,647

Factors of 641

List of positive integer factors of 641 that divides 641 without a remainder.

1,641

Factors of 42

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

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

Greatest Common Factor

We found the factors 647,641,42 . The biggest common factor number is the GCF number.
So the greatest common factor 647,641,42 is 1.

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

• GCF of 612, 633, 24
• GCF of 136, 583, 93
• GCF of 410, 445, 73
• GCF of 362, 881, 70
• GCF of 877, 204, 15

1. What is the GCF of 647, 641, 42?

Answer: GCF of 647, 641, 42 is 1.

2. How to Find the GCF of 647, 641, 42

Answer: Greatest Common Factor(GCF) of 647, 641, 42 = 1

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

Step 2: Then multiply all the prime factors GCF(647, 641, 42) = 1.