Greatest Common Factor of 18, 91, 87, 653

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

• Greatest Common Factor of 18, 91, 87, 653 by common division method
• Greatest Common Factor of 18, 91, 87, 653 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 18

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

1,2,3,6,9,18

Factors of 91

List of positive integer factors of 91 that divides 91 without a remainder.

1,7,13,91

Factors of 87

List of positive integer factors of 87 that divides 87 without a remainder.

1,3,29,87

Factors of 653

List of positive integer factors of 653 that divides 653 without a remainder.

1,653

Greatest Common Factor

We found the factors 18,91,87,653 . The biggest common factor number is the GCF number.
So the greatest common factor 18,91,87,653 is 1.

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

• GCF of 75, 49, 44, 966
• GCF of 53, 73, 94, 377
• GCF of 39, 60, 32, 110
• GCF of 49, 28, 97, 498
• GCF of 30, 14, 73, 732

1. What is the GCF of 18, 91, 87, 653?

Answer: GCF of 18, 91, 87, 653 is 1.

2. How to Find the GCF of 18, 91, 87, 653

Answer: Greatest Common Factor(GCF) of 18, 91, 87, 653 = 1

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

Step 2: Then multiply all the prime factors GCF(18, 91, 87, 653) = 1.