Greatest Common Factor of 670, 20, 309, 252

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

• Greatest Common Factor of 670, 20, 309, 252 by common division method
• Greatest Common Factor of 670, 20, 309, 252 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 670

List of positive integer factors of 670 that divides 670 without a remainder.

1,2,5,10,67,134,335,670

Factors of 20

List of positive integer factors of 20 that divides 20 without a remainder.

1,2,4,5,10,20

Factors of 309

List of positive integer factors of 309 that divides 309 without a remainder.

1,3,103,309

Factors of 252

List of positive integer factors of 252 that divides 252 without a remainder.

1,2,3,4,6,7,9,12,14,18,21,28,36,42,63,84,126,252

Greatest Common Factor

We found the factors 670,20,309,252 . The biggest common factor number is the GCF number.
So the greatest common factor 670,20,309,252 is 1.

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

• GCF of 816, 27, 290, 407
• GCF of 128, 84, 229, 696
• GCF of 638, 83, 630, 649
• GCF of 325, 42, 739, 135
• GCF of 189, 58, 438, 653

1. What is the GCF of 670, 20, 309, 252?

Answer: GCF of 670, 20, 309, 252 is 1.

2. How to Find the GCF of 670, 20, 309, 252

Answer: Greatest Common Factor(GCF) of 670, 20, 309, 252 = 1

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

Step 2: Then multiply all the prime factors GCF(670, 20, 309, 252) = 1.