Greatest Common Factor of 21, 71, 602

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

• Greatest Common Factor of 21, 71, 602 by common division method
• Greatest Common Factor of 21, 71, 602 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 21

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

1,3,7,21

Factors of 71

List of positive integer factors of 71 that divides 71 without a remainder.

1,71

Factors of 602

List of positive integer factors of 602 that divides 602 without a remainder.

1,2,7,14,43,86,301,602

Greatest Common Factor

We found the factors 21,71,602 . The biggest common factor number is the GCF number.
So the greatest common factor 21,71,602 is 1.

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

• GCF of 46, 16, 279
• GCF of 15, 73, 971
• GCF of 15, 28, 297
• GCF of 48, 79, 389
• GCF of 77, 82, 412

1. What is the GCF of 21, 71, 602?

Answer: GCF of 21, 71, 602 is 1.

2. How to Find the GCF of 21, 71, 602

Answer: Greatest Common Factor(GCF) of 21, 71, 602 = 1

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

Step 2: Then multiply all the prime factors GCF(21, 71, 602) = 1.