Greatest Common Factor of 642, 669, 170

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

• Greatest Common Factor of 642, 669, 170 by common division method
• Greatest Common Factor of 642, 669, 170 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 669

List of positive integer factors of 669 that divides 669 without a remainder.

1,3,223,669

Factors of 170

List of positive integer factors of 170 that divides 170 without a remainder.

1,2,5,10,17,34,85,170

Greatest Common Factor

We found the factors 642,669,170 . The biggest common factor number is the GCF number.
So the greatest common factor 642,669,170 is 1.

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

• GCF of 104, 201, 342
• GCF of 496, 923, 591
• GCF of 964, 886, 384
• GCF of 410, 204, 677
• GCF of 566, 601, 595

1. What is the GCF of 642, 669, 170?

Answer: GCF of 642, 669, 170 is 1.

2. How to Find the GCF of 642, 669, 170

Answer: Greatest Common Factor(GCF) of 642, 669, 170 = 1

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

Step 2: Then multiply all the prime factors GCF(642, 669, 170) = 1.