Greatest Common Factor of 644, 238, 49

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

• Greatest Common Factor of 644, 238, 49 by common division method
• Greatest Common Factor of 644, 238, 49 with matching the biggest common factor

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∴ So the GCF of the given numbers is 7 = 7

Factors of 644

List of positive integer factors of 644 that divides 644 without a remainder.

1,2,4,7,14,23,28,46,92,161,322,644

Factors of 238

List of positive integer factors of 238 that divides 238 without a remainder.

1,2,7,14,17,34,119,238

Factors of 49

List of positive integer factors of 49 that divides 49 without a remainder.

1,7,49

Greatest Common Factor

We found the factors 644,238,49 . The biggest common factor number is the GCF number.
So the greatest common factor 644,238,49 is 7.

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

• GCF of 415, 765, 19
• GCF of 379, 436, 55
• GCF of 872, 547, 28
• GCF of 771, 259, 96
• GCF of 364, 423, 78

1. What is the GCF of 644, 238, 49?

Answer: GCF of 644, 238, 49 is 7.

2. How to Find the GCF of 644, 238, 49

Answer: Greatest Common Factor(GCF) of 644, 238, 49 = 7

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

Step 2: Then multiply all the prime factors GCF(644, 238, 49) = 7.