Greatest Common Factor of 20, 85, 88, 487

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

• Greatest Common Factor of 20, 85, 88, 487 by common division method
• Greatest Common Factor of 20, 85, 88, 487 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 20

List of positive integer factors of 20 that divides 20 without a remainder.

1,2,4,5,10,20

Factors of 85

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

1,5,17,85

Factors of 88

List of positive integer factors of 88 that divides 88 without a remainder.

1,2,4,8,11,22,44,88

Factors of 487

List of positive integer factors of 487 that divides 487 without a remainder.

1,487

Greatest Common Factor

We found the factors 20,85,88,487 . The biggest common factor number is the GCF number.
So the greatest common factor 20,85,88,487 is 1.

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

• GCF of 79, 17, 51, 955
• GCF of 94, 34, 30, 548
• GCF of 42, 10, 39, 338
• GCF of 56, 46, 51, 642
• GCF of 93, 16, 13, 695

1. What is the GCF of 20, 85, 88, 487?

Answer: GCF of 20, 85, 88, 487 is 1.

2. How to Find the GCF of 20, 85, 88, 487

Answer: Greatest Common Factor(GCF) of 20, 85, 88, 487 = 1

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

Step 2: Then multiply all the prime factors GCF(20, 85, 88, 487) = 1.