Greatest Common Factor of 42, 87, 902

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

• Greatest Common Factor of 42, 87, 902 by common division method
• Greatest Common Factor of 42, 87, 902 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 902

List of positive integer factors of 902 that divides 902 without a remainder.

1,2,11,22,41,82,451,902

Greatest Common Factor

We found the factors 42,87,902 . The biggest common factor number is the GCF number.
So the greatest common factor 42,87,902 is 1.

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

• GCF of 53, 10, 325
• GCF of 81, 78, 107
• GCF of 40, 64, 716
• GCF of 40, 26, 216
• GCF of 95, 78, 465

1. What is the GCF of 42, 87, 902?

Answer: GCF of 42, 87, 902 is 1.

2. How to Find the GCF of 42, 87, 902

Answer: Greatest Common Factor(GCF) of 42, 87, 902 = 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, 902) = 1.