Greatest Common Factor of 45, 705, 621

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

• Greatest Common Factor of 45, 705, 621 by common division method
• Greatest Common Factor of 45, 705, 621 with matching the biggest common factor

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

Factors of 45

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

1,3,5,9,15,45

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 621

List of positive integer factors of 621 that divides 621 without a remainder.

1,3,9,23,27,69,207,621

Greatest Common Factor

We found the factors 45,705,621 . The biggest common factor number is the GCF number.
So the greatest common factor 45,705,621 is 3.

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

• GCF of 61, 683, 936
• GCF of 49, 114, 145
• GCF of 50, 939, 180
• GCF of 17, 340, 980
• GCF of 85, 394, 119

1. What is the GCF of 45, 705, 621?

Answer: GCF of 45, 705, 621 is 3.

2. How to Find the GCF of 45, 705, 621

Answer: Greatest Common Factor(GCF) of 45, 705, 621 = 3

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

Step 2: Then multiply all the prime factors GCF(45, 705, 621) = 3.