Greatest Common Factor of 121, 991, 581, 157, 977

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

• Greatest Common Factor of 121, 991, 581, 157, 977 by common division method
• Greatest Common Factor of 121, 991, 581, 157, 977 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 121

List of positive integer factors of 121 that divides 121 without a remainder.

1,11,121

Factors of 991

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

1,991

Factors of 581

List of positive integer factors of 581 that divides 581 without a remainder.

1,7,83,581

Factors of 157

List of positive integer factors of 157 that divides 157 without a remainder.

1,157

Factors of 977

List of positive integer factors of 977 that divides 977 without a remainder.

1,977

Greatest Common Factor

We found the factors 121,991,581,157,977 . The biggest common factor number is the GCF number.
So the greatest common factor 121,991,581,157,977 is 1.

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

• GCF of 612, 708, 788, 647, 565
• GCF of 723, 210, 345, 428, 650
• GCF of 361, 911, 461, 578, 155
• GCF of 372, 990, 663, 421, 144
• GCF of 630, 486, 159, 444, 773

1. What is the GCF of 121, 991, 581, 157, 977?

Answer: GCF of 121, 991, 581, 157, 977 is 1.

2. How to Find the GCF of 121, 991, 581, 157, 977

Answer: Greatest Common Factor(GCF) of 121, 991, 581, 157, 977 = 1

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

Step 2: Then multiply all the prime factors GCF(121, 991, 581, 157, 977) = 1.