Greatest Common Factor of 42, 27, 63, 685

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

• Greatest Common Factor of 42, 27, 63, 685 by common division method
• Greatest Common Factor of 42, 27, 63, 685 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 27

List of positive integer factors of 27 that divides 27 without a remainder.

1,3,9,27

Factors of 63

List of positive integer factors of 63 that divides 63 without a remainder.

1,3,7,9,21,63

Factors of 685

List of positive integer factors of 685 that divides 685 without a remainder.

1,5,137,685

Greatest Common Factor

We found the factors 42,27,63,685 . The biggest common factor number is the GCF number.
So the greatest common factor 42,27,63,685 is 1.

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

• GCF of 56, 19, 73, 771
• GCF of 68, 15, 10, 141
• GCF of 24, 10, 29, 265
• GCF of 47, 44, 19, 487
• GCF of 21, 76, 42, 626

1. What is the GCF of 42, 27, 63, 685?

Answer: GCF of 42, 27, 63, 685 is 1.

2. How to Find the GCF of 42, 27, 63, 685

Answer: Greatest Common Factor(GCF) of 42, 27, 63, 685 = 1

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

Step 2: Then multiply all the prime factors GCF(42, 27, 63, 685) = 1.