Greatest Common Factor of 42, 997, 129

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

• Greatest Common Factor of 42, 997, 129 by common division method
• Greatest Common Factor of 42, 997, 129 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 997

List of positive integer factors of 997 that divides 997 without a remainder.

1,997

Factors of 129

List of positive integer factors of 129 that divides 129 without a remainder.

1,3,43,129

Greatest Common Factor

We found the factors 42,997,129 . The biggest common factor number is the GCF number.
So the greatest common factor 42,997,129 is 1.

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

• GCF of 65, 840, 857
• GCF of 35, 959, 276
• GCF of 23, 599, 377
• GCF of 15, 105, 250
• GCF of 41, 580, 857

1. What is the GCF of 42, 997, 129?

Answer: GCF of 42, 997, 129 is 1.

2. How to Find the GCF of 42, 997, 129

Answer: Greatest Common Factor(GCF) of 42, 997, 129 = 1

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

Step 2: Then multiply all the prime factors GCF(42, 997, 129) = 1.