Greatest Common Factor of 42, 87, 878

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

• Greatest Common Factor of 42, 87, 878 by common division method
• Greatest Common Factor of 42, 87, 878 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 87

List of positive integer factors of 87 that divides 87 without a remainder.

1,3,29,87

Factors of 878

List of positive integer factors of 878 that divides 878 without a remainder.

1,2,439,878

Greatest Common Factor

We found the factors 42,87,878 . The biggest common factor number is the GCF number.
So the greatest common factor 42,87,878 is 1.

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

• GCF of 87, 80, 496
• GCF of 22, 74, 424
• GCF of 44, 13, 319
• GCF of 11, 95, 701
• GCF of 21, 48, 683

1. What is the GCF of 42, 87, 878?

Answer: GCF of 42, 87, 878 is 1.

2. How to Find the GCF of 42, 87, 878

Answer: Greatest Common Factor(GCF) of 42, 87, 878 = 1

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

Step 2: Then multiply all the prime factors GCF(42, 87, 878) = 1.