Greatest Common Factor of 642, 408, 84

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

• Greatest Common Factor of 642, 408, 84 by common division method
• Greatest Common Factor of 642, 408, 84 with matching the biggest common factor

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∴ So the GCF of the given numbers is 2 x 3 = 6

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 408

List of positive integer factors of 408 that divides 408 without a remainder.

1,2,3,4,6,8,12,17,24,34,51,68,102,136,204,408

Factors of 84

List of positive integer factors of 84 that divides 84 without a remainder.

1,2,3,4,6,7,12,14,21,28,42,84

Greatest Common Factor

We found the factors 642,408,84 . The biggest common factor number is the GCF number.
So the greatest common factor 642,408,84 is 6.

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

• GCF of 245, 125, 32
• GCF of 312, 347, 49
• GCF of 276, 322, 18
• GCF of 446, 268, 29
• GCF of 200, 119, 96

1. What is the GCF of 642, 408, 84?

Answer: GCF of 642, 408, 84 is 6.

2. How to Find the GCF of 642, 408, 84

Answer: Greatest Common Factor(GCF) of 642, 408, 84 = 6

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

Step 2: Then multiply all the prime factors GCF(642, 408, 84) = 6.