Greatest Common Factor of 18, 91, 42, 476

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

• Greatest Common Factor of 18, 91, 42, 476 by common division method
• Greatest Common Factor of 18, 91, 42, 476 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 42

List of positive integer factors of 42 that divides 42 without a remainder.

1,2,3,6,7,14,21,42

Factors of 476

List of positive integer factors of 476 that divides 476 without a remainder.

1,2,4,7,14,17,28,34,68,119,238,476

Greatest Common Factor

We found the factors 18,91,42,476 . The biggest common factor number is the GCF number.
So the greatest common factor 18,91,42,476 is 1.

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

• GCF of 80, 91, 10, 765
• GCF of 52, 76, 13, 821
• GCF of 20, 75, 11, 738
• GCF of 39, 53, 57, 506
• GCF of 99, 35, 51, 440

1. What is the GCF of 18, 91, 42, 476?

Answer: GCF of 18, 91, 42, 476 is 1.

2. How to Find the GCF of 18, 91, 42, 476

Answer: Greatest Common Factor(GCF) of 18, 91, 42, 476 = 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, 42, 476) = 1.