Greatest Common Factor of 34, 21, 47, 715

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

• Greatest Common Factor of 34, 21, 47, 715 by common division method
• Greatest Common Factor of 34, 21, 47, 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 34

List of positive integer factors of 34 that divides 34 without a remainder.

1,2,17,34

Factors of 21

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

1,3,7,21

Factors of 47

List of positive integer factors of 47 that divides 47 without a remainder.

1,47

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 34,21,47,715 . The biggest common factor number is the GCF number.
So the greatest common factor 34,21,47,715 is 1.

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

• GCF of 19, 78, 11, 953
• GCF of 72, 62, 74, 810
• GCF of 71, 67, 72, 243
• GCF of 35, 63, 68, 194
• GCF of 56, 21, 56, 529

1. What is the GCF of 34, 21, 47, 715?

Answer: GCF of 34, 21, 47, 715 is 1.

2. How to Find the GCF of 34, 21, 47, 715

Answer: Greatest Common Factor(GCF) of 34, 21, 47, 715 = 1

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

Step 2: Then multiply all the prime factors GCF(34, 21, 47, 715) = 1.