Greatest Common Factor of 39, 45, 72, 645

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

• Greatest Common Factor of 39, 45, 72, 645 by common division method
• Greatest Common Factor of 39, 45, 72, 645 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 39

List of positive integer factors of 39 that divides 39 without a remainder.

1,3,13,39

Factors of 45

List of positive integer factors of 45 that divides 45 without a remainder.

1,3,5,9,15,45

Factors of 72

List of positive integer factors of 72 that divides 72 without a remainder.

1,2,3,4,6,8,9,12,18,24,36,72

Factors of 645

List of positive integer factors of 645 that divides 645 without a remainder.

1,3,5,15,43,129,215,645

Greatest Common Factor

We found the factors 39,45,72,645 . The biggest common factor number is the GCF number.
So the greatest common factor 39,45,72,645 is 3.

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

• GCF of 35, 46, 62, 267
• GCF of 85, 65, 44, 239
• GCF of 80, 20, 22, 575
• GCF of 46, 55, 10, 525
• GCF of 85, 58, 80, 617

1. What is the GCF of 39, 45, 72, 645?

Answer: GCF of 39, 45, 72, 645 is 3.

2. How to Find the GCF of 39, 45, 72, 645

Answer: Greatest Common Factor(GCF) of 39, 45, 72, 645 = 3

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

Step 2: Then multiply all the prime factors GCF(39, 45, 72, 645) = 3.