Greatest Common Factor of 78, 247, 858

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

• Greatest Common Factor of 78, 247, 858 by common division method
• Greatest Common Factor of 78, 247, 858 with matching the biggest common factor

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∴ So the GCF of the given numbers is 13 = 13

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 247

List of positive integer factors of 247 that divides 247 without a remainder.

1,13,19,247

Factors of 858

List of positive integer factors of 858 that divides 858 without a remainder.

1,2,3,6,11,13,22,26,33,39,66,78,143,286,429,858

Greatest Common Factor

We found the factors 78,247,858 . The biggest common factor number is the GCF number.
So the greatest common factor 78,247,858 is 13.

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

• GCF of 43, 228, 991
• GCF of 51, 652, 301
• GCF of 22, 507, 535
• GCF of 70, 251, 778
• GCF of 97, 802, 863

1. What is the GCF of 78, 247, 858?

Answer: GCF of 78, 247, 858 is 13.

2. How to Find the GCF of 78, 247, 858

Answer: Greatest Common Factor(GCF) of 78, 247, 858 = 13

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

Step 2: Then multiply all the prime factors GCF(78, 247, 858) = 13.