Greatest Common Factor of 138, 985, 745, 721, 980

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

• Greatest Common Factor of 138, 985, 745, 721, 980 by common division method
• Greatest Common Factor of 138, 985, 745, 721, 980 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 138

List of positive integer factors of 138 that divides 138 without a remainder.

1,2,3,6,23,46,69,138

Factors of 985

List of positive integer factors of 985 that divides 985 without a remainder.

1,5,197,985

Factors of 745

List of positive integer factors of 745 that divides 745 without a remainder.

1,5,149,745

Factors of 721

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

1,7,103,721

Factors of 980

List of positive integer factors of 980 that divides 980 without a remainder.

1,2,4,5,7,10,14,20,28,35,49,70,98,140,196,245,490,980

Greatest Common Factor

We found the factors 138,985,745,721,980 . The biggest common factor number is the GCF number.
So the greatest common factor 138,985,745,721,980 is 1.

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

• GCF of 989, 858, 685, 746, 756
• GCF of 123, 906, 431, 765, 955
• GCF of 153, 349, 193, 272, 811
• GCF of 482, 403, 658, 547, 467
• GCF of 553, 605, 568, 336, 975

1. What is the GCF of 138, 985, 745, 721, 980?

Answer: GCF of 138, 985, 745, 721, 980 is 1.

2. How to Find the GCF of 138, 985, 745, 721, 980

Answer: Greatest Common Factor(GCF) of 138, 985, 745, 721, 980 = 1

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

Step 2: Then multiply all the prime factors GCF(138, 985, 745, 721, 980) = 1.