Greatest Common Factor of 80, 81, 72, 624

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

• Greatest Common Factor of 80, 81, 72, 624 by common division method
• Greatest Common Factor of 80, 81, 72, 624 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 80

List of positive integer factors of 80 that divides 80 without a remainder.

1,2,4,5,8,10,16,20,40,80

Factors of 81

List of positive integer factors of 81 that divides 81 without a remainder.

1,3,9,27,81

Factors of 72

List of positive integer factors of 72 that divides 72 without a remainder.

1,2,3,4,6,8,9,12,18,24,36,72

Factors of 624

List of positive integer factors of 624 that divides 624 without a remainder.

1,2,3,4,6,8,12,13,16,24,26,39,48,52,78,104,156,208,312,624

Greatest Common Factor

We found the factors 80,81,72,624 . The biggest common factor number is the GCF number.
So the greatest common factor 80,81,72,624 is 1.

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

• GCF of 28, 89, 56, 277
• GCF of 18, 50, 46, 517
• GCF of 90, 58, 89, 604
• GCF of 35, 20, 93, 962
• GCF of 15, 31, 12, 878

1. What is the GCF of 80, 81, 72, 624?

Answer: GCF of 80, 81, 72, 624 is 1.

2. How to Find the GCF of 80, 81, 72, 624

Answer: Greatest Common Factor(GCF) of 80, 81, 72, 624 = 1

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

Step 2: Then multiply all the prime factors GCF(80, 81, 72, 624) = 1.