Greatest Common Factor of 455, 715, 78

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

• Greatest Common Factor of 455, 715, 78 by common division method
• Greatest Common Factor of 455, 715, 78 with matching the biggest common factor

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

Factors of 455

List of positive integer factors of 455 that divides 455 without a remainder.

1,5,7,13,35,65,91,455

Factors of 715

List of positive integer factors of 715 that divides 715 without a remainder.

1,5,11,13,55,65,143,715

Factors of 78

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

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

Greatest Common Factor

We found the factors 455,715,78 . The biggest common factor number is the GCF number.
So the greatest common factor 455,715,78 is 13.

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

• GCF of 823, 220, 69
• GCF of 648, 534, 61
• GCF of 754, 822, 70
• GCF of 707, 193, 15
• GCF of 492, 986, 62

1. What is the GCF of 455, 715, 78?

Answer: GCF of 455, 715, 78 is 13.

2. How to Find the GCF of 455, 715, 78

Answer: Greatest Common Factor(GCF) of 455, 715, 78 = 13

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

Step 2: Then multiply all the prime factors GCF(455, 715, 78) = 13.