Greatest Common Factor of 90, 18, 39, 977

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

• Greatest Common Factor of 90, 18, 39, 977 by common division method
• Greatest Common Factor of 90, 18, 39, 977 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 90

List of positive integer factors of 90 that divides 90 without a remainder.

1,2,3,5,6,9,10,15,18,30,45,90

Factors of 18

List of positive integer factors of 18 that divides 18 without a remainder.

1,2,3,6,9,18

Factors of 39

List of positive integer factors of 39 that divides 39 without a remainder.

1,3,13,39

Factors of 977

List of positive integer factors of 977 that divides 977 without a remainder.

1,977

Greatest Common Factor

We found the factors 90,18,39,977 . The biggest common factor number is the GCF number.
So the greatest common factor 90,18,39,977 is 1.

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

• GCF of 79, 35, 65, 602
• GCF of 73, 33, 54, 766
• GCF of 57, 82, 47, 265
• GCF of 49, 65, 96, 691
• GCF of 66, 38, 73, 738

1. What is the GCF of 90, 18, 39, 977?

Answer: GCF of 90, 18, 39, 977 is 1.

2. How to Find the GCF of 90, 18, 39, 977

Answer: Greatest Common Factor(GCF) of 90, 18, 39, 977 = 1

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

Step 2: Then multiply all the prime factors GCF(90, 18, 39, 977) = 1.