Greatest Common Factor of 69, 77, 47, 621

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

• Greatest Common Factor of 69, 77, 47, 621 by common division method
• Greatest Common Factor of 69, 77, 47, 621 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 69

List of positive integer factors of 69 that divides 69 without a remainder.

1,3,23,69

Factors of 77

List of positive integer factors of 77 that divides 77 without a remainder.

1,7,11,77

Factors of 47

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

1,47

Factors of 621

List of positive integer factors of 621 that divides 621 without a remainder.

1,3,9,23,27,69,207,621

Greatest Common Factor

We found the factors 69,77,47,621 . The biggest common factor number is the GCF number.
So the greatest common factor 69,77,47,621 is 1.

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

• GCF of 31, 28, 17, 919
• GCF of 41, 52, 29, 602
• GCF of 61, 26, 98, 543
• GCF of 22, 77, 25, 560
• GCF of 98, 13, 14, 764

1. What is the GCF of 69, 77, 47, 621?

Answer: GCF of 69, 77, 47, 621 is 1.

2. How to Find the GCF of 69, 77, 47, 621

Answer: Greatest Common Factor(GCF) of 69, 77, 47, 621 = 1

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

Step 2: Then multiply all the prime factors GCF(69, 77, 47, 621) = 1.