Greatest Common Factor of 65, 52, 21, 381

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

• Greatest Common Factor of 65, 52, 21, 381 by common division method
• Greatest Common Factor of 65, 52, 21, 381 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 65

List of positive integer factors of 65 that divides 65 without a remainder.

1,5,13,65

Factors of 52

List of positive integer factors of 52 that divides 52 without a remainder.

1,2,4,13,26,52

Factors of 21

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

1,3,7,21

Factors of 381

List of positive integer factors of 381 that divides 381 without a remainder.

1,3,127,381

Greatest Common Factor

We found the factors 65,52,21,381 . The biggest common factor number is the GCF number.
So the greatest common factor 65,52,21,381 is 1.

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

• GCF of 26, 98, 69, 508
• GCF of 80, 24, 81, 929
• GCF of 47, 52, 69, 552
• GCF of 83, 28, 41, 254
• GCF of 62, 40, 98, 336

1. What is the GCF of 65, 52, 21, 381?

Answer: GCF of 65, 52, 21, 381 is 1.

2. How to Find the GCF of 65, 52, 21, 381

Answer: Greatest Common Factor(GCF) of 65, 52, 21, 381 = 1

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

Step 2: Then multiply all the prime factors GCF(65, 52, 21, 381) = 1.