Greatest Common Factor of 27, 25, 21, 715

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

• Greatest Common Factor of 27, 25, 21, 715 by common division method
• Greatest Common Factor of 27, 25, 21, 715 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 27

List of positive integer factors of 27 that divides 27 without a remainder.

1,3,9,27

Factors of 25

List of positive integer factors of 25 that divides 25 without a remainder.

1,5,25

Factors of 21

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

1,3,7,21

Factors of 715

List of positive integer factors of 715 that divides 715 without a remainder.

1,5,11,13,55,65,143,715

Greatest Common Factor

We found the factors 27,25,21,715 . The biggest common factor number is the GCF number.
So the greatest common factor 27,25,21,715 is 1.

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

• GCF of 20, 33, 85, 430
• GCF of 48, 83, 37, 982
• GCF of 49, 41, 91, 755
• GCF of 10, 59, 44, 455
• GCF of 74, 14, 58, 642

1. What is the GCF of 27, 25, 21, 715?

Answer: GCF of 27, 25, 21, 715 is 1.

2. How to Find the GCF of 27, 25, 21, 715

Answer: Greatest Common Factor(GCF) of 27, 25, 21, 715 = 1

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

Step 2: Then multiply all the prime factors GCF(27, 25, 21, 715) = 1.