Greatest Common Factor of 640, 642, 672

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

• Greatest Common Factor of 640, 642, 672 by common division method
• Greatest Common Factor of 640, 642, 672 with matching the biggest common factor

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

Factors of 640

List of positive integer factors of 640 that divides 640 without a remainder.

1,2,4,5,8,10,16,20,32,40,64,80,128,160,320,640

Factors of 642

List of positive integer factors of 642 that divides 642 without a remainder.

1,2,3,6,107,214,321,642

Factors of 672

List of positive integer factors of 672 that divides 672 without a remainder.

1,2,3,4,6,7,8,12,14,16,21,24,28,32,42,48,56,84,96,112,168,224,336,672

Greatest Common Factor

We found the factors 640,642,672 . The biggest common factor number is the GCF number.
So the greatest common factor 640,642,672 is 2.

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

• GCF of 954, 802, 389
• GCF of 167, 571, 986
• GCF of 539, 834, 710
• GCF of 310, 966, 640
• GCF of 838, 393, 989

1. What is the GCF of 640, 642, 672?

Answer: GCF of 640, 642, 672 is 2.

2. How to Find the GCF of 640, 642, 672

Answer: Greatest Common Factor(GCF) of 640, 642, 672 = 2

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

Step 2: Then multiply all the prime factors GCF(640, 642, 672) = 2.