Greatest Common Factor of 42, 357, 147

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

• Greatest Common Factor of 42, 357, 147 by common division method
• Greatest Common Factor of 42, 357, 147 with matching the biggest common factor

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∴ So the GCF of the given numbers is 3 x 7 = 21

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 357

List of positive integer factors of 357 that divides 357 without a remainder.

1,3,7,17,21,51,119,357

Factors of 147

List of positive integer factors of 147 that divides 147 without a remainder.

1,3,7,21,49,147

Greatest Common Factor

We found the factors 42,357,147 . The biggest common factor number is the GCF number.
So the greatest common factor 42,357,147 is 21.

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

• GCF of 10, 449, 995
• GCF of 97, 165, 322
• GCF of 67, 395, 847
• GCF of 67, 514, 427
• GCF of 89, 170, 683

1. What is the GCF of 42, 357, 147?

Answer: GCF of 42, 357, 147 is 21.

2. How to Find the GCF of 42, 357, 147

Answer: Greatest Common Factor(GCF) of 42, 357, 147 = 21

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

Step 2: Then multiply all the prime factors GCF(42, 357, 147) = 21.