Greatest Common Factor of 71, 21, 48, 621

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

• Greatest Common Factor of 71, 21, 48, 621 by common division method
• Greatest Common Factor of 71, 21, 48, 621 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 71

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

1,71

Factors of 21

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

1,3,7,21

Factors of 48

List of positive integer factors of 48 that divides 48 without a remainder.

1,2,3,4,6,8,12,16,24,48

Factors of 621

List of positive integer factors of 621 that divides 621 without a remainder.

1,3,9,23,27,69,207,621

Greatest Common Factor

We found the factors 71,21,48,621 . The biggest common factor number is the GCF number.
So the greatest common factor 71,21,48,621 is 1.

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

• GCF of 97, 24, 43, 798
• GCF of 16, 25, 16, 761
• GCF of 49, 80, 65, 330
• GCF of 47, 46, 34, 506
• GCF of 33, 59, 65, 533

1. What is the GCF of 71, 21, 48, 621?

Answer: GCF of 71, 21, 48, 621 is 1.

2. How to Find the GCF of 71, 21, 48, 621

Answer: Greatest Common Factor(GCF) of 71, 21, 48, 621 = 1

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

Step 2: Then multiply all the prime factors GCF(71, 21, 48, 621) = 1.