Greatest Common Factor of 15, 81, 537, 438

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

• Greatest Common Factor of 15, 81, 537, 438 by common division method
• Greatest Common Factor of 15, 81, 537, 438 with matching the biggest common factor

Maximum 4 Number can be enter but you can reset

∴ So the GCF of the given numbers is 3 = 3

Factors of 15

List of positive integer factors of 15 that divides 15 without a remainder.

1,3,5,15

Factors of 81

List of positive integer factors of 81 that divides 81 without a remainder.

1,3,9,27,81

Factors of 537

List of positive integer factors of 537 that divides 537 without a remainder.

1,3,179,537

Factors of 438

List of positive integer factors of 438 that divides 438 without a remainder.

1,2,3,6,73,146,219,438

Greatest Common Factor

We found the factors 15,81,537,438 . The biggest common factor number is the GCF number.
So the greatest common factor 15,81,537,438 is 3.

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

• GCF of 20, 67, 811, 427
• GCF of 54, 51, 740, 394
• GCF of 68, 68, 116, 418
• GCF of 20, 30, 514, 517
• GCF of 29, 76, 451, 769

1. What is the GCF of 15, 81, 537, 438?

Answer: GCF of 15, 81, 537, 438 is 3.

2. How to Find the GCF of 15, 81, 537, 438

Answer: Greatest Common Factor(GCF) of 15, 81, 537, 438 = 3

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

Step 2: Then multiply all the prime factors GCF(15, 81, 537, 438) = 3.