Greatest Common Factor of 42, 25, 851

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

• Greatest Common Factor of 42, 25, 851 by common division method
• Greatest Common Factor of 42, 25, 851 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 25

List of positive integer factors of 25 that divides 25 without a remainder.

1,5,25

Factors of 851

List of positive integer factors of 851 that divides 851 without a remainder.

1,23,37,851

Greatest Common Factor

We found the factors 42,25,851 . The biggest common factor number is the GCF number.
So the greatest common factor 42,25,851 is 1.

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

• GCF of 86, 54, 378
• GCF of 40, 63, 822
• GCF of 77, 43, 973
• GCF of 65, 41, 641
• GCF of 93, 84, 496

1. What is the GCF of 42, 25, 851?

Answer: GCF of 42, 25, 851 is 1.

2. How to Find the GCF of 42, 25, 851

Answer: Greatest Common Factor(GCF) of 42, 25, 851 = 1

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

Step 2: Then multiply all the prime factors GCF(42, 25, 851) = 1.