Greatest Common Factor of 42, 216, 721

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

• Greatest Common Factor of 42, 216, 721 by common division method
• Greatest Common Factor of 42, 216, 721 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 216

List of positive integer factors of 216 that divides 216 without a remainder.

1,2,3,4,6,8,9,12,18,24,27,36,54,72,108,216

Factors of 721

List of positive integer factors of 721 that divides 721 without a remainder.

1,7,103,721

Greatest Common Factor

We found the factors 42,216,721 . The biggest common factor number is the GCF number.
So the greatest common factor 42,216,721 is 1.

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

• GCF of 38, 646, 810
• GCF of 79, 682, 547
• GCF of 73, 378, 403
• GCF of 82, 153, 372
• GCF of 24, 599, 115

1. What is the GCF of 42, 216, 721?

Answer: GCF of 42, 216, 721 is 1.

2. How to Find the GCF of 42, 216, 721

Answer: Greatest Common Factor(GCF) of 42, 216, 721 = 1

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

Step 2: Then multiply all the prime factors GCF(42, 216, 721) = 1.