Greatest Common Factor of 438, 630, 646

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

• Greatest Common Factor of 438, 630, 646 by common division method
• Greatest Common Factor of 438, 630, 646 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 630

List of positive integer factors of 630 that divides 630 without a remainder.

1,2,3,5,6,7,9,10,14,15,18,21,30,35,42,45,63,70,90,105,126,210,315,630

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 438,630,646 . The biggest common factor number is the GCF number.
So the greatest common factor 438,630,646 is 2.

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

• GCF of 583, 808, 202
• GCF of 679, 654, 874
• GCF of 610, 217, 497
• GCF of 925, 500, 624
• GCF of 109, 311, 906

1. What is the GCF of 438, 630, 646?

Answer: GCF of 438, 630, 646 is 2.

2. How to Find the GCF of 438, 630, 646

Answer: Greatest Common Factor(GCF) of 438, 630, 646 = 2

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

Step 2: Then multiply all the prime factors GCF(438, 630, 646) = 2.