Greatest Common Factor of 47, 89, 45, 91

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

• Greatest Common Factor of 47, 89, 45, 91 by common division method
• Greatest Common Factor of 47, 89, 45, 91 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 47

List of positive integer factors of 47 that divides 47 without a remainder.

1,47

Factors of 89

List of positive integer factors of 89 that divides 89 without a remainder.

1,89

Factors of 45

List of positive integer factors of 45 that divides 45 without a remainder.

1,3,5,9,15,45

Factors of 91

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

1,7,13,91

Greatest Common Factor

We found the factors 47,89,45,91 . The biggest common factor number is the GCF number.
So the greatest common factor 47,89,45,91 is 1.

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

• GCF of 98, 11, 55, 29
• GCF of 89, 82, 30, 16
• GCF of 34, 42, 49, 68
• GCF of 64, 78, 23, 79
• GCF of 19, 97, 38, 92

1. What is the GCF of 47, 89, 45, 91?

Answer: GCF of 47, 89, 45, 91 is 1.

2. How to Find the GCF of 47, 89, 45, 91

Answer: Greatest Common Factor(GCF) of 47, 89, 45, 91 = 1

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

Step 2: Then multiply all the prime factors GCF(47, 89, 45, 91) = 1.