Greatest Common Factor of 971, 155, 477, 18

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

• Greatest Common Factor of 971, 155, 477, 18 by common division method
• Greatest Common Factor of 971, 155, 477, 18 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 971

List of positive integer factors of 971 that divides 971 without a remainder.

1,971

Factors of 155

List of positive integer factors of 155 that divides 155 without a remainder.

1,5,31,155

Factors of 477

List of positive integer factors of 477 that divides 477 without a remainder.

1,3,9,53,159,477

Factors of 18

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

1,2,3,6,9,18

Greatest Common Factor

We found the factors 971,155,477,18 . The biggest common factor number is the GCF number.
So the greatest common factor 971,155,477,18 is 1.

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

• GCF of 902, 232, 552, 44
• GCF of 689, 147, 521, 12
• GCF of 120, 148, 485, 33
• GCF of 935, 894, 380, 87
• GCF of 413, 484, 277, 41

1. What is the GCF of 971, 155, 477, 18?

Answer: GCF of 971, 155, 477, 18 is 1.

2. How to Find the GCF of 971, 155, 477, 18

Answer: Greatest Common Factor(GCF) of 971, 155, 477, 18 = 1

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

Step 2: Then multiply all the prime factors GCF(971, 155, 477, 18) = 1.