Greatest Common Factor of 80, 65, 78, 43, 381

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

• Greatest Common Factor of 80, 65, 78, 43, 381 by common division method
• Greatest Common Factor of 80, 65, 78, 43, 381 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 65

List of positive integer factors of 65 that divides 65 without a remainder.

1,5,13,65

Factors of 78

List of positive integer factors of 78 that divides 78 without a remainder.

1,2,3,6,13,26,39,78

Factors of 43

List of positive integer factors of 43 that divides 43 without a remainder.

1,43

Factors of 381

List of positive integer factors of 381 that divides 381 without a remainder.

1,3,127,381

Greatest Common Factor

We found the factors 80,65,78,43,381 . The biggest common factor number is the GCF number.
So the greatest common factor 80,65,78,43,381 is 1.

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

• GCF of 20, 70, 99, 42, 690
• GCF of 42, 93, 64, 98, 473
• GCF of 80, 35, 35, 66, 593
• GCF of 88, 12, 72, 38, 343
• GCF of 81, 98, 37, 74, 533

1. What is the GCF of 80, 65, 78, 43, 381?

Answer: GCF of 80, 65, 78, 43, 381 is 1.

2. How to Find the GCF of 80, 65, 78, 43, 381

Answer: Greatest Common Factor(GCF) of 80, 65, 78, 43, 381 = 1

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

Step 2: Then multiply all the prime factors GCF(80, 65, 78, 43, 381) = 1.