Greatest Common Factor of 85, 63, 76, 138

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

• Greatest Common Factor of 85, 63, 76, 138 by common division method
• Greatest Common Factor of 85, 63, 76, 138 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 85

List of positive integer factors of 85 that divides 85 without a remainder.

1,5,17,85

Factors of 63

List of positive integer factors of 63 that divides 63 without a remainder.

1,3,7,9,21,63

Factors of 76

List of positive integer factors of 76 that divides 76 without a remainder.

1,2,4,19,38,76

Factors of 138

List of positive integer factors of 138 that divides 138 without a remainder.

1,2,3,6,23,46,69,138

Greatest Common Factor

We found the factors 85,63,76,138 . The biggest common factor number is the GCF number.
So the greatest common factor 85,63,76,138 is 1.

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

• GCF of 52, 50, 33, 645
• GCF of 76, 54, 73, 600
• GCF of 12, 76, 31, 822
• GCF of 23, 80, 46, 663
• GCF of 25, 39, 90, 787

1. What is the GCF of 85, 63, 76, 138?

Answer: GCF of 85, 63, 76, 138 is 1.

2. How to Find the GCF of 85, 63, 76, 138

Answer: Greatest Common Factor(GCF) of 85, 63, 76, 138 = 1

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

Step 2: Then multiply all the prime factors GCF(85, 63, 76, 138) = 1.