Greatest Common Factor of 15, 21, 58, 246

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

• Greatest Common Factor of 15, 21, 58, 246 by common division method
• Greatest Common Factor of 15, 21, 58, 246 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 21

List of positive integer factors of 21 that divides 21 without a remainder.

1,3,7,21

Factors of 58

List of positive integer factors of 58 that divides 58 without a remainder.

1,2,29,58

Factors of 246

List of positive integer factors of 246 that divides 246 without a remainder.

1,2,3,6,41,82,123,246

Greatest Common Factor

We found the factors 15,21,58,246 . The biggest common factor number is the GCF number.
So the greatest common factor 15,21,58,246 is 1.

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

• GCF of 82, 83, 76, 691
• GCF of 37, 44, 55, 924
• GCF of 65, 27, 24, 132
• GCF of 59, 38, 53, 661
• GCF of 55, 36, 70, 678

1. What is the GCF of 15, 21, 58, 246?

Answer: GCF of 15, 21, 58, 246 is 1.

2. How to Find the GCF of 15, 21, 58, 246

Answer: Greatest Common Factor(GCF) of 15, 21, 58, 246 = 1

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

Step 2: Then multiply all the prime factors GCF(15, 21, 58, 246) = 1.