Greatest Common Factor of 20, 31, 25, 558

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

• Greatest Common Factor of 20, 31, 25, 558 by common division method
• Greatest Common Factor of 20, 31, 25, 558 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 31

List of positive integer factors of 31 that divides 31 without a remainder.

1,31

Factors of 25

List of positive integer factors of 25 that divides 25 without a remainder.

1,5,25

Factors of 558

List of positive integer factors of 558 that divides 558 without a remainder.

1,2,3,6,9,18,31,62,93,186,279,558

Greatest Common Factor

We found the factors 20,31,25,558 . The biggest common factor number is the GCF number.
So the greatest common factor 20,31,25,558 is 1.

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

• GCF of 29, 25, 57, 195
• GCF of 68, 66, 43, 929
• GCF of 51, 77, 90, 366
• GCF of 40, 89, 16, 697
• GCF of 20, 37, 57, 634

1. What is the GCF of 20, 31, 25, 558?

Answer: GCF of 20, 31, 25, 558 is 1.

2. How to Find the GCF of 20, 31, 25, 558

Answer: Greatest Common Factor(GCF) of 20, 31, 25, 558 = 1

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

Step 2: Then multiply all the prime factors GCF(20, 31, 25, 558) = 1.