Greatest Common Factor of 684, 642, 171

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

• Greatest Common Factor of 684, 642, 171 by common division method
• Greatest Common Factor of 684, 642, 171 with matching the biggest common factor

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∴ So the GCF of the given numbers is 3 = 3

Factors of 684

List of positive integer factors of 684 that divides 684 without a remainder.

1,2,3,4,6,9,12,18,19,36,38,57,76,114,171,228,342,684

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 171

List of positive integer factors of 171 that divides 171 without a remainder.

1,3,9,19,57,171

Greatest Common Factor

We found the factors 684,642,171 . The biggest common factor number is the GCF number.
So the greatest common factor 684,642,171 is 3.

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

• GCF of 837, 860, 736
• GCF of 432, 971, 228
• GCF of 306, 186, 805
• GCF of 168, 399, 784
• GCF of 840, 178, 259

1. What is the GCF of 684, 642, 171?

Answer: GCF of 684, 642, 171 is 3.

2. How to Find the GCF of 684, 642, 171

Answer: Greatest Common Factor(GCF) of 684, 642, 171 = 3

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

Step 2: Then multiply all the prime factors GCF(684, 642, 171) = 3.