Greatest Common Factor of 71, 36, 85, 138

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

• Greatest Common Factor of 71, 36, 85, 138 by common division method
• Greatest Common Factor of 71, 36, 85, 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 71

List of positive integer factors of 71 that divides 71 without a remainder.

1,71

Factors of 36

List of positive integer factors of 36 that divides 36 without a remainder.

1,2,3,4,6,9,12,18,36

Factors of 85

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

1,5,17,85

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 71,36,85,138 . The biggest common factor number is the GCF number.
So the greatest common factor 71,36,85,138 is 1.

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

• GCF of 90, 32, 68, 907
• GCF of 34, 21, 73, 958
• GCF of 15, 73, 72, 551
• GCF of 21, 71, 74, 594
• GCF of 91, 10, 43, 290

1. What is the GCF of 71, 36, 85, 138?

Answer: GCF of 71, 36, 85, 138 is 1.

2. How to Find the GCF of 71, 36, 85, 138

Answer: Greatest Common Factor(GCF) of 71, 36, 85, 138 = 1

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

Step 2: Then multiply all the prime factors GCF(71, 36, 85, 138) = 1.