Greatest Common Factor of 18, 57, 71, 122

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

• Greatest Common Factor of 18, 57, 71, 122 by common division method
• Greatest Common Factor of 18, 57, 71, 122 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 57

List of positive integer factors of 57 that divides 57 without a remainder.

1,3,19,57

Factors of 71

List of positive integer factors of 71 that divides 71 without a remainder.

1,71

Factors of 122

List of positive integer factors of 122 that divides 122 without a remainder.

1,2,61,122

Greatest Common Factor

We found the factors 18,57,71,122 . The biggest common factor number is the GCF number.
So the greatest common factor 18,57,71,122 is 1.

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

• GCF of 10, 85, 51, 999
• GCF of 98, 23, 74, 561
• GCF of 69, 74, 63, 309
• GCF of 99, 51, 62, 575
• GCF of 19, 34, 26, 348

1. What is the GCF of 18, 57, 71, 122?

Answer: GCF of 18, 57, 71, 122 is 1.

2. How to Find the GCF of 18, 57, 71, 122

Answer: Greatest Common Factor(GCF) of 18, 57, 71, 122 = 1

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

Step 2: Then multiply all the prime factors GCF(18, 57, 71, 122) = 1.