Greatest Common Factor of 23, 79, 13, 521

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

• Greatest Common Factor of 23, 79, 13, 521 by common division method
• Greatest Common Factor of 23, 79, 13, 521 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 23

List of positive integer factors of 23 that divides 23 without a remainder.

1,23

Factors of 79

List of positive integer factors of 79 that divides 79 without a remainder.

1,79

Factors of 13

List of positive integer factors of 13 that divides 13 without a remainder.

1,13

Factors of 521

List of positive integer factors of 521 that divides 521 without a remainder.

1,521

Greatest Common Factor

We found the factors 23,79,13,521 . The biggest common factor number is the GCF number.
So the greatest common factor 23,79,13,521 is 1.

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

• GCF of 30, 21, 28, 690
• GCF of 56, 78, 69, 645
• GCF of 75, 97, 52, 495
• GCF of 93, 25, 84, 504
• GCF of 28, 62, 58, 979

1. What is the GCF of 23, 79, 13, 521?

Answer: GCF of 23, 79, 13, 521 is 1.

2. How to Find the GCF of 23, 79, 13, 521

Answer: Greatest Common Factor(GCF) of 23, 79, 13, 521 = 1

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

Step 2: Then multiply all the prime factors GCF(23, 79, 13, 521) = 1.