Greatest Common Factor of 45, 81, 525

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

• Greatest Common Factor of 45, 81, 525 by common division method
• Greatest Common Factor of 45, 81, 525 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 81

List of positive integer factors of 81 that divides 81 without a remainder.

1,3,9,27,81

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 45,81,525 . The biggest common factor number is the GCF number.
So the greatest common factor 45,81,525 is 3.

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

• GCF of 41, 60, 231
• GCF of 39, 98, 856
• GCF of 72, 11, 682
• GCF of 54, 47, 417
• GCF of 93, 25, 527

1. What is the GCF of 45, 81, 525?

Answer: GCF of 45, 81, 525 is 3.

2. How to Find the GCF of 45, 81, 525

Answer: Greatest Common Factor(GCF) of 45, 81, 525 = 3

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

Step 2: Then multiply all the prime factors GCF(45, 81, 525) = 3.