Greatest Common Factor of 42, 309, 479

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

• Greatest Common Factor of 42, 309, 479 by common division method
• Greatest Common Factor of 42, 309, 479 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 42

List of positive integer factors of 42 that divides 42 without a remainder.

1,2,3,6,7,14,21,42

Factors of 309

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

1,3,103,309

Factors of 479

List of positive integer factors of 479 that divides 479 without a remainder.

1,479

Greatest Common Factor

We found the factors 42,309,479 . The biggest common factor number is the GCF number.
So the greatest common factor 42,309,479 is 1.

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

• GCF of 58, 904, 389
• GCF of 80, 970, 347
• GCF of 79, 491, 305
• GCF of 88, 285, 168
• GCF of 54, 858, 614

1. What is the GCF of 42, 309, 479?

Answer: GCF of 42, 309, 479 is 1.

2. How to Find the GCF of 42, 309, 479

Answer: Greatest Common Factor(GCF) of 42, 309, 479 = 1

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

Step 2: Then multiply all the prime factors GCF(42, 309, 479) = 1.