Greatest Common Factor of 63, 138, 424, 643

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

• Greatest Common Factor of 63, 138, 424, 643 by common division method
• Greatest Common Factor of 63, 138, 424, 643 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 63

List of positive integer factors of 63 that divides 63 without a remainder.

1,3,7,9,21,63

Factors of 138

List of positive integer factors of 138 that divides 138 without a remainder.

1,2,3,6,23,46,69,138

Factors of 424

List of positive integer factors of 424 that divides 424 without a remainder.

1,2,4,8,53,106,212,424

Factors of 643

List of positive integer factors of 643 that divides 643 without a remainder.

1,643

Greatest Common Factor

We found the factors 63,138,424,643 . The biggest common factor number is the GCF number.
So the greatest common factor 63,138,424,643 is 1.

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

• GCF of 26, 794, 272, 490
• GCF of 16, 179, 570, 957
• GCF of 28, 451, 951, 847
• GCF of 86, 386, 361, 584
• GCF of 72, 578, 155, 600

1. What is the GCF of 63, 138, 424, 643?

Answer: GCF of 63, 138, 424, 643 is 1.

2. How to Find the GCF of 63, 138, 424, 643

Answer: Greatest Common Factor(GCF) of 63, 138, 424, 643 = 1

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

Step 2: Then multiply all the prime factors GCF(63, 138, 424, 643) = 1.