Greatest Common Factor of 80, 76, 45, 688

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

• Greatest Common Factor of 80, 76, 45, 688 by common division method
• Greatest Common Factor of 80, 76, 45, 688 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 76

List of positive integer factors of 76 that divides 76 without a remainder.

1,2,4,19,38,76

Factors of 45

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

1,3,5,9,15,45

Factors of 688

List of positive integer factors of 688 that divides 688 without a remainder.

1,2,4,8,16,43,86,172,344,688

Greatest Common Factor

We found the factors 80,76,45,688 . The biggest common factor number is the GCF number.
So the greatest common factor 80,76,45,688 is 1.

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

• GCF of 48, 96, 20, 847
• GCF of 68, 87, 71, 652
• GCF of 67, 34, 13, 561
• GCF of 57, 24, 57, 670
• GCF of 92, 37, 26, 492

1. What is the GCF of 80, 76, 45, 688?

Answer: GCF of 80, 76, 45, 688 is 1.

2. How to Find the GCF of 80, 76, 45, 688

Answer: Greatest Common Factor(GCF) of 80, 76, 45, 688 = 1

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

Step 2: Then multiply all the prime factors GCF(80, 76, 45, 688) = 1.