Greatest Common Factor of 80, 77, 63, 123

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

• Greatest Common Factor of 80, 77, 63, 123 by common division method
• Greatest Common Factor of 80, 77, 63, 123 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 77

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

1,7,11,77

Factors of 63

List of positive integer factors of 63 that divides 63 without a remainder.

1,3,7,9,21,63

Factors of 123

List of positive integer factors of 123 that divides 123 without a remainder.

1,3,41,123

Greatest Common Factor

We found the factors 80,77,63,123 . The biggest common factor number is the GCF number.
So the greatest common factor 80,77,63,123 is 1.

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

• GCF of 92, 10, 54, 191
• GCF of 69, 10, 77, 192
• GCF of 67, 69, 15, 807
• GCF of 90, 61, 32, 196
• GCF of 93, 62, 62, 843

1. What is the GCF of 80, 77, 63, 123?

Answer: GCF of 80, 77, 63, 123 is 1.

2. How to Find the GCF of 80, 77, 63, 123

Answer: Greatest Common Factor(GCF) of 80, 77, 63, 123 = 1

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

Step 2: Then multiply all the prime factors GCF(80, 77, 63, 123) = 1.