Greatest Common Factor of 15, 243, 991

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

• Greatest Common Factor of 15, 243, 991 by common division method
• Greatest Common Factor of 15, 243, 991 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 15

List of positive integer factors of 15 that divides 15 without a remainder.

1,3,5,15

Factors of 243

List of positive integer factors of 243 that divides 243 without a remainder.

1,3,9,27,81,243

Factors of 991

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

1,991

Greatest Common Factor

We found the factors 15,243,991 . The biggest common factor number is the GCF number.
So the greatest common factor 15,243,991 is 1.

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

• GCF of 60, 153, 951
• GCF of 53, 228, 418
• GCF of 67, 292, 252
• GCF of 73, 540, 669
• GCF of 98, 982, 968

1. What is the GCF of 15, 243, 991?

Answer: GCF of 15, 243, 991 is 1.

2. How to Find the GCF of 15, 243, 991

Answer: Greatest Common Factor(GCF) of 15, 243, 991 = 1

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

Step 2: Then multiply all the prime factors GCF(15, 243, 991) = 1.