Greatest Common Factor of 309, 747, 442

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

• Greatest Common Factor of 309, 747, 442 by common division method
• Greatest Common Factor of 309, 747, 442 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 309

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

1,3,103,309

Factors of 747

List of positive integer factors of 747 that divides 747 without a remainder.

1,3,9,83,249,747

Factors of 442

List of positive integer factors of 442 that divides 442 without a remainder.

1,2,13,17,26,34,221,442

Greatest Common Factor

We found the factors 309,747,442 . The biggest common factor number is the GCF number.
So the greatest common factor 309,747,442 is 1.

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

• GCF of 670, 997, 432
• GCF of 365, 416, 430
• GCF of 484, 134, 712
• GCF of 109, 710, 881
• GCF of 400, 605, 314

1. What is the GCF of 309, 747, 442?

Answer: GCF of 309, 747, 442 is 1.

2. How to Find the GCF of 309, 747, 442

Answer: Greatest Common Factor(GCF) of 309, 747, 442 = 1

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

Step 2: Then multiply all the prime factors GCF(309, 747, 442) = 1.