Greatest Common Factor of 389, 780, 171, 721, 425

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

• Greatest Common Factor of 389, 780, 171, 721, 425 by common division method
• Greatest Common Factor of 389, 780, 171, 721, 425 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 389

List of positive integer factors of 389 that divides 389 without a remainder.

1,389

Factors of 780

List of positive integer factors of 780 that divides 780 without a remainder.

1,2,3,4,5,6,10,12,13,15,20,26,30,39,52,60,65,78,130,156,195,260,390,780

Factors of 171

List of positive integer factors of 171 that divides 171 without a remainder.

1,3,9,19,57,171

Factors of 721

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

1,7,103,721

Factors of 425

List of positive integer factors of 425 that divides 425 without a remainder.

1,5,17,25,85,425

Greatest Common Factor

We found the factors 389,780,171,721,425 . The biggest common factor number is the GCF number.
So the greatest common factor 389,780,171,721,425 is 1.

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

• GCF of 673, 208, 240, 108, 512
• GCF of 612, 197, 207, 697, 294
• GCF of 462, 419, 528, 701, 502
• GCF of 164, 190, 476, 315, 613
• GCF of 200, 233, 911, 133, 990

1. What is the GCF of 389, 780, 171, 721, 425?

Answer: GCF of 389, 780, 171, 721, 425 is 1.

2. How to Find the GCF of 389, 780, 171, 721, 425

Answer: Greatest Common Factor(GCF) of 389, 780, 171, 721, 425 = 1

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

Step 2: Then multiply all the prime factors GCF(389, 780, 171, 721, 425) = 1.