Greatest Common Factor of 78, 86, 63, 770

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

• Greatest Common Factor of 78, 86, 63, 770 by common division method
• Greatest Common Factor of 78, 86, 63, 770 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 86

List of positive integer factors of 86 that divides 86 without a remainder.

1,2,43,86

Factors of 63

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

1,3,7,9,21,63

Factors of 770

List of positive integer factors of 770 that divides 770 without a remainder.

1,2,5,7,10,11,14,22,35,55,70,77,110,154,385,770

Greatest Common Factor

We found the factors 78,86,63,770 . The biggest common factor number is the GCF number.
So the greatest common factor 78,86,63,770 is 1.

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

• GCF of 10, 59, 85, 350
• GCF of 34, 75, 55, 656
• GCF of 73, 43, 51, 942
• GCF of 44, 72, 18, 775
• GCF of 46, 84, 96, 863

1. What is the GCF of 78, 86, 63, 770?

Answer: GCF of 78, 86, 63, 770 is 1.

2. How to Find the GCF of 78, 86, 63, 770

Answer: Greatest Common Factor(GCF) of 78, 86, 63, 770 = 1

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

Step 2: Then multiply all the prime factors GCF(78, 86, 63, 770) = 1.