Greatest Common Factor of 509, 386, 21

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

• Greatest Common Factor of 509, 386, 21 by common division method
• Greatest Common Factor of 509, 386, 21 with matching the biggest common factor

Maximum 4 Number can be enter but you can reset

∴ GCF of numbers is 1 because of no common factors present between them.

Factors of 509

List of positive integer factors of 509 that divides 509 without a remainder.

1,509

Factors of 386

List of positive integer factors of 386 that divides 386 without a remainder.

1,2,193,386

Factors of 21

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

1,3,7,21

Greatest Common Factor

We found the factors 509,386,21 . The biggest common factor number is the GCF number.
So the greatest common factor 509,386,21 is 1.

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

• GCF of 511, 897, 14
• GCF of 357, 536, 60
• GCF of 711, 411, 38
• GCF of 362, 591, 20
• GCF of 595, 395, 16

1. What is the GCF of 509, 386, 21?

Answer: GCF of 509, 386, 21 is 1.

2. How to Find the GCF of 509, 386, 21

Answer: Greatest Common Factor(GCF) of 509, 386, 21 = 1

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

Step 2: Then multiply all the prime factors GCF(509, 386, 21) = 1.