Greatest Common Factor of 42, 63, 735

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

• Greatest Common Factor of 42, 63, 735 by common division method
• Greatest Common Factor of 42, 63, 735 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 63

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

1,3,7,9,21,63

Factors of 735

List of positive integer factors of 735 that divides 735 without a remainder.

1,3,5,7,15,21,35,49,105,147,245,735

Greatest Common Factor

We found the factors 42,63,735 . The biggest common factor number is the GCF number.
So the greatest common factor 42,63,735 is 21.

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

• GCF of 28, 46, 120
• GCF of 47, 18, 797
• GCF of 11, 34, 200
• GCF of 10, 64, 259
• GCF of 84, 26, 761

1. What is the GCF of 42, 63, 735?

Answer: GCF of 42, 63, 735 is 21.

2. How to Find the GCF of 42, 63, 735

Answer: Greatest Common Factor(GCF) of 42, 63, 735 = 21

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

Step 2: Then multiply all the prime factors GCF(42, 63, 735) = 21.