Greatest Common Factor of 42, 272, 205

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

• Greatest Common Factor of 42, 272, 205 by common division method
• Greatest Common Factor of 42, 272, 205 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 272

List of positive integer factors of 272 that divides 272 without a remainder.

1,2,4,8,16,17,34,68,136,272

Factors of 205

List of positive integer factors of 205 that divides 205 without a remainder.

1,5,41,205

Greatest Common Factor

We found the factors 42,272,205 . The biggest common factor number is the GCF number.
So the greatest common factor 42,272,205 is 1.

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

• GCF of 61, 645, 460
• GCF of 47, 312, 443
• GCF of 79, 116, 961
• GCF of 52, 516, 915
• GCF of 45, 459, 307

1. What is the GCF of 42, 272, 205?

Answer: GCF of 42, 272, 205 is 1.

2. How to Find the GCF of 42, 272, 205

Answer: Greatest Common Factor(GCF) of 42, 272, 205 = 1

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

Step 2: Then multiply all the prime factors GCF(42, 272, 205) = 1.