Greatest Common Factor of 40, 85, 71, 987

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

• Greatest Common Factor of 40, 85, 71, 987 by common division method
• Greatest Common Factor of 40, 85, 71, 987 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 40

List of positive integer factors of 40 that divides 40 without a remainder.

1,2,4,5,8,10,20,40

Factors of 85

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

1,5,17,85

Factors of 71

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

1,71

Factors of 987

List of positive integer factors of 987 that divides 987 without a remainder.

1,3,7,21,47,141,329,987

Greatest Common Factor

We found the factors 40,85,71,987 . The biggest common factor number is the GCF number.
So the greatest common factor 40,85,71,987 is 1.

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

• GCF of 19, 67, 73, 916
• GCF of 67, 91, 75, 800
• GCF of 43, 39, 98, 864
• GCF of 25, 64, 66, 320
• GCF of 10, 33, 47, 591

1. What is the GCF of 40, 85, 71, 987?

Answer: GCF of 40, 85, 71, 987 is 1.

2. How to Find the GCF of 40, 85, 71, 987

Answer: Greatest Common Factor(GCF) of 40, 85, 71, 987 = 1

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

Step 2: Then multiply all the prime factors GCF(40, 85, 71, 987) = 1.