Greatest Common Factor of 705, 820, 645

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

• Greatest Common Factor of 705, 820, 645 by common division method
• Greatest Common Factor of 705, 820, 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 5 = 5

Factors of 705

List of positive integer factors of 705 that divides 705 without a remainder.

1,3,5,15,47,141,235,705

Factors of 820

List of positive integer factors of 820 that divides 820 without a remainder.

1,2,4,5,10,20,41,82,164,205,410,820

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 705,820,645 . The biggest common factor number is the GCF number.
So the greatest common factor 705,820,645 is 5.

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

• GCF of 718, 833, 617
• GCF of 265, 854, 399
• GCF of 304, 956, 784
• GCF of 824, 283, 192
• GCF of 274, 102, 810

1. What is the GCF of 705, 820, 645?

Answer: GCF of 705, 820, 645 is 5.

2. How to Find the GCF of 705, 820, 645

Answer: Greatest Common Factor(GCF) of 705, 820, 645 = 5

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

Step 2: Then multiply all the prime factors GCF(705, 820, 645) = 5.