Greatest Common Factor of 991, 308, 139

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

• Greatest Common Factor of 991, 308, 139 by common division method
• Greatest Common Factor of 991, 308, 139 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 991

List of positive integer factors of 991 that divides 991 without a remainder.

1,991

Factors of 308

List of positive integer factors of 308 that divides 308 without a remainder.

1,2,4,7,11,14,22,28,44,77,154,308

Factors of 139

List of positive integer factors of 139 that divides 139 without a remainder.

1,139

Greatest Common Factor

We found the factors 991,308,139 . The biggest common factor number is the GCF number.
So the greatest common factor 991,308,139 is 1.

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

• GCF of 776, 370, 293
• GCF of 499, 569, 748
• GCF of 939, 805, 281
• GCF of 803, 865, 575
• GCF of 763, 120, 307

1. What is the GCF of 991, 308, 139?

Answer: GCF of 991, 308, 139 is 1.

2. How to Find the GCF of 991, 308, 139

Answer: Greatest Common Factor(GCF) of 991, 308, 139 = 1

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

Step 2: Then multiply all the prime factors GCF(991, 308, 139) = 1.