Greatest Common Factor of 991, 391, 25

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

• Greatest Common Factor of 991, 391, 25 by common division method
• Greatest Common Factor of 991, 391, 25 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 391

List of positive integer factors of 391 that divides 391 without a remainder.

1,17,23,391

Factors of 25

List of positive integer factors of 25 that divides 25 without a remainder.

1,5,25

Greatest Common Factor

We found the factors 991,391,25 . The biggest common factor number is the GCF number.
So the greatest common factor 991,391,25 is 1.

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

• GCF of 488, 848, 13
• GCF of 509, 337, 61
• GCF of 106, 926, 44
• GCF of 848, 114, 66
• GCF of 981, 615, 47

1. What is the GCF of 991, 391, 25?

Answer: GCF of 991, 391, 25 is 1.

2. How to Find the GCF of 991, 391, 25

Answer: Greatest Common Factor(GCF) of 991, 391, 25 = 1

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

Step 2: Then multiply all the prime factors GCF(991, 391, 25) = 1.