Greatest Common Factor of 78, 65, 45, 772

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

• Greatest Common Factor of 78, 65, 45, 772 by common division method
• Greatest Common Factor of 78, 65, 45, 772 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 78

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

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

Factors of 65

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

1,5,13,65

Factors of 45

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

1,3,5,9,15,45

Factors of 772

List of positive integer factors of 772 that divides 772 without a remainder.

1,2,4,193,386,772

Greatest Common Factor

We found the factors 78,65,45,772 . The biggest common factor number is the GCF number.
So the greatest common factor 78,65,45,772 is 1.

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

• GCF of 41, 39, 76, 851
• GCF of 93, 75, 59, 987
• GCF of 52, 92, 99, 550
• GCF of 95, 50, 15, 203
• GCF of 40, 14, 47, 395

1. What is the GCF of 78, 65, 45, 772?

Answer: GCF of 78, 65, 45, 772 is 1.

2. How to Find the GCF of 78, 65, 45, 772

Answer: Greatest Common Factor(GCF) of 78, 65, 45, 772 = 1

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

Step 2: Then multiply all the prime factors GCF(78, 65, 45, 772) = 1.