Greatest Common Factor of 45, 84, 91, 816

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

• Greatest Common Factor of 45, 84, 91, 816 by common division method
• Greatest Common Factor of 45, 84, 91, 816 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 45

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

1,3,5,9,15,45

Factors of 84

List of positive integer factors of 84 that divides 84 without a remainder.

1,2,3,4,6,7,12,14,21,28,42,84

Factors of 91

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

1,7,13,91

Factors of 816

List of positive integer factors of 816 that divides 816 without a remainder.

1,2,3,4,6,8,12,16,17,24,34,48,51,68,102,136,204,272,408,816

Greatest Common Factor

We found the factors 45,84,91,816 . The biggest common factor number is the GCF number.
So the greatest common factor 45,84,91,816 is 1.

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

• GCF of 80, 16, 16, 200
• GCF of 80, 89, 98, 833
• GCF of 41, 54, 77, 326
• GCF of 38, 41, 75, 423
• GCF of 72, 67, 34, 644

1. What is the GCF of 45, 84, 91, 816?

Answer: GCF of 45, 84, 91, 816 is 1.

2. How to Find the GCF of 45, 84, 91, 816

Answer: Greatest Common Factor(GCF) of 45, 84, 91, 816 = 1

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

Step 2: Then multiply all the prime factors GCF(45, 84, 91, 816) = 1.