Greatest Common Factor of 45, 11, 20, 65, 525

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

• Greatest Common Factor of 45, 11, 20, 65, 525 by common division method
• Greatest Common Factor of 45, 11, 20, 65, 525 with matching the biggest common factor

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∴ GCF of numbers is 1 because of no common factors present between them.

Factors of 45

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

1,3,5,9,15,45

Factors of 11

List of positive integer factors of 11 that divides 11 without a remainder.

1,11

Factors of 20

List of positive integer factors of 20 that divides 20 without a remainder.

1,2,4,5,10,20

Factors of 65

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

1,5,13,65

Factors of 525

List of positive integer factors of 525 that divides 525 without a remainder.

1,3,5,7,15,21,25,35,75,105,175,525

Greatest Common Factor

We found the factors 45,11,20,65,525 . The biggest common factor number is the GCF number.
So the greatest common factor 45,11,20,65,525 is 1.

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

• GCF of 24, 66, 55, 19, 406
• GCF of 22, 42, 38, 79, 922
• GCF of 78, 18, 67, 89, 516
• GCF of 27, 83, 41, 76, 639
• GCF of 92, 14, 57, 12, 205

1. What is the GCF of 45, 11, 20, 65, 525?

Answer: GCF of 45, 11, 20, 65, 525 is 1.

2. How to Find the GCF of 45, 11, 20, 65, 525

Answer: Greatest Common Factor(GCF) of 45, 11, 20, 65, 525 = 1

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

Step 2: Then multiply all the prime factors GCF(45, 11, 20, 65, 525) = 1.