Greatest Common Factor of 39, 21, 13, 575

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

• Greatest Common Factor of 39, 21, 13, 575 by common division method
• Greatest Common Factor of 39, 21, 13, 575 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 39

List of positive integer factors of 39 that divides 39 without a remainder.

1,3,13,39

Factors of 21

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

1,3,7,21

Factors of 13

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

1,13

Factors of 575

List of positive integer factors of 575 that divides 575 without a remainder.

1,5,23,25,115,575

Greatest Common Factor

We found the factors 39,21,13,575 . The biggest common factor number is the GCF number.
So the greatest common factor 39,21,13,575 is 1.

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

• GCF of 84, 16, 28, 364
• GCF of 98, 31, 57, 659
• GCF of 97, 51, 95, 618
• GCF of 32, 79, 26, 989
• GCF of 42, 57, 50, 711

1. What is the GCF of 39, 21, 13, 575?

Answer: GCF of 39, 21, 13, 575 is 1.

2. How to Find the GCF of 39, 21, 13, 575

Answer: Greatest Common Factor(GCF) of 39, 21, 13, 575 = 1

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

Step 2: Then multiply all the prime factors GCF(39, 21, 13, 575) = 1.