Greatest Common Factor of 91, 18, 49

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

• Greatest Common Factor of 91, 18, 49 by common division method
• Greatest Common Factor of 91, 18, 49 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 91

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

1,7,13,91

Factors of 18

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

1,2,3,6,9,18

Factors of 49

List of positive integer factors of 49 that divides 49 without a remainder.

1,7,49

Greatest Common Factor

We found the factors 91,18,49 . The biggest common factor number is the GCF number.
So the greatest common factor 91,18,49 is 1.

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

• GCF of 55, 46, 51
• GCF of 17, 26, 59
• GCF of 81, 24, 61
• GCF of 78, 88, 56
• GCF of 63, 55, 44

1. What is the GCF of 91, 18, 49?

Answer: GCF of 91, 18, 49 is 1.

2. How to Find the GCF of 91, 18, 49

Answer: Greatest Common Factor(GCF) of 91, 18, 49 = 1

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

Step 2: Then multiply all the prime factors GCF(91, 18, 49) = 1.