Greatest Common Factor of 438, 646, 868

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

• Greatest Common Factor of 438, 646, 868 by common division method
• Greatest Common Factor of 438, 646, 868 with matching the biggest common factor

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∴ So the GCF of the given numbers is 2 = 2

Factors of 438

List of positive integer factors of 438 that divides 438 without a remainder.

1,2,3,6,73,146,219,438

Factors of 646

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

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

Factors of 868

List of positive integer factors of 868 that divides 868 without a remainder.

1,2,4,7,14,28,31,62,124,217,434,868

Greatest Common Factor

We found the factors 438,646,868 . The biggest common factor number is the GCF number.
So the greatest common factor 438,646,868 is 2.

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

• GCF of 285, 316, 997
• GCF of 100, 757, 218
• GCF of 402, 390, 949
• GCF of 468, 432, 750
• GCF of 975, 272, 304

1. What is the GCF of 438, 646, 868?

Answer: GCF of 438, 646, 868 is 2.

2. How to Find the GCF of 438, 646, 868

Answer: Greatest Common Factor(GCF) of 438, 646, 868 = 2

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

Step 2: Then multiply all the prime factors GCF(438, 646, 868) = 2.