Greatest Common Factor of 728, 721, 670

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

• Greatest Common Factor of 728, 721, 670 by common division method
• Greatest Common Factor of 728, 721, 670 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 721

List of positive integer factors of 721 that divides 721 without a remainder.

1,7,103,721

Factors of 670

List of positive integer factors of 670 that divides 670 without a remainder.

1,2,5,10,67,134,335,670

Greatest Common Factor

We found the factors 728,721,670 . The biggest common factor number is the GCF number.
So the greatest common factor 728,721,670 is 1.

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

• GCF of 352, 425, 193
• GCF of 679, 256, 640
• GCF of 855, 607, 281
• GCF of 744, 516, 147
• GCF of 244, 560, 305

1. What is the GCF of 728, 721, 670?

Answer: GCF of 728, 721, 670 is 1.

2. How to Find the GCF of 728, 721, 670

Answer: Greatest Common Factor(GCF) of 728, 721, 670 = 1

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

Step 2: Then multiply all the prime factors GCF(728, 721, 670) = 1.