Greatest Common Factor of 728, 390, 655

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

• Greatest Common Factor of 728, 390, 655 by common division method
• Greatest Common Factor of 728, 390, 655 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 728

List of positive integer factors of 728 that divides 728 without a remainder.

1,2,4,7,8,13,14,26,28,52,56,91,104,182,364,728

Factors of 390

List of positive integer factors of 390 that divides 390 without a remainder.

1,2,3,5,6,10,13,15,26,30,39,65,78,130,195,390

Factors of 655

List of positive integer factors of 655 that divides 655 without a remainder.

1,5,131,655

Greatest Common Factor

We found the factors 728,390,655 . The biggest common factor number is the GCF number.
So the greatest common factor 728,390,655 is 1.

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

• GCF of 672, 999, 351
• GCF of 188, 425, 523
• GCF of 118, 802, 235
• GCF of 708, 269, 620
• GCF of 726, 827, 461

1. What is the GCF of 728, 390, 655?

Answer: GCF of 728, 390, 655 is 1.

2. How to Find the GCF of 728, 390, 655

Answer: Greatest Common Factor(GCF) of 728, 390, 655 = 1

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

Step 2: Then multiply all the prime factors GCF(728, 390, 655) = 1.