Greatest Common Factor of 642, 661, 16

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

• Greatest Common Factor of 642, 661, 16 by common division method
• Greatest Common Factor of 642, 661, 16 with matching the biggest common factor

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∴ GCF of numbers is 1 because of no common factors present between them.

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 661

List of positive integer factors of 661 that divides 661 without a remainder.

1,661

Factors of 16

List of positive integer factors of 16 that divides 16 without a remainder.

1,2,4,8,16

Greatest Common Factor

We found the factors 642,661,16 . The biggest common factor number is the GCF number.
So the greatest common factor 642,661,16 is 1.

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

• GCF of 758, 922, 24
• GCF of 498, 194, 52
• GCF of 721, 329, 24
• GCF of 638, 684, 65
• GCF of 144, 268, 70

1. What is the GCF of 642, 661, 16?

Answer: GCF of 642, 661, 16 is 1.

2. How to Find the GCF of 642, 661, 16

Answer: Greatest Common Factor(GCF) of 642, 661, 16 = 1

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

Step 2: Then multiply all the prime factors GCF(642, 661, 16) = 1.