Greatest Common Factor of 65, 45, 620

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

• Greatest Common Factor of 65, 45, 620 by common division method
• Greatest Common Factor of 65, 45, 620 with matching the biggest common factor

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∴ So the GCF of the given numbers is 5 = 5

Factors of 65

List of positive integer factors of 65 that divides 65 without a remainder.

1,5,13,65

Factors of 45

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

1,3,5,9,15,45

Factors of 620

List of positive integer factors of 620 that divides 620 without a remainder.

1,2,4,5,10,20,31,62,124,155,310,620

Greatest Common Factor

We found the factors 65,45,620 . The biggest common factor number is the GCF number.
So the greatest common factor 65,45,620 is 5.

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

• GCF of 32, 44, 512
• GCF of 20, 16, 263
• GCF of 93, 73, 598
• GCF of 78, 64, 527
• GCF of 40, 43, 140

1. What is the GCF of 65, 45, 620?

Answer: GCF of 65, 45, 620 is 5.

2. How to Find the GCF of 65, 45, 620

Answer: Greatest Common Factor(GCF) of 65, 45, 620 = 5

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

Step 2: Then multiply all the prime factors GCF(65, 45, 620) = 5.