Greatest Common Factor of 90, 72, 945

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

• Greatest Common Factor of 90, 72, 945 by common division method
• Greatest Common Factor of 90, 72, 945 with matching the biggest common factor

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∴ So the GCF of the given numbers is 3 x 3 = 9

Factors of 90

List of positive integer factors of 90 that divides 90 without a remainder.

1,2,3,5,6,9,10,15,18,30,45,90

Factors of 72

List of positive integer factors of 72 that divides 72 without a remainder.

1,2,3,4,6,8,9,12,18,24,36,72

Factors of 945

List of positive integer factors of 945 that divides 945 without a remainder.

1,3,5,7,9,15,21,27,35,45,63,105,135,189,315,945

Greatest Common Factor

We found the factors 90,72,945 . The biggest common factor number is the GCF number.
So the greatest common factor 90,72,945 is 9.

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

• GCF of 50, 91, 474
• GCF of 52, 55, 815
• GCF of 20, 59, 335
• GCF of 24, 26, 407
• GCF of 13, 15, 177

1. What is the GCF of 90, 72, 945?

Answer: GCF of 90, 72, 945 is 9.

2. How to Find the GCF of 90, 72, 945

Answer: Greatest Common Factor(GCF) of 90, 72, 945 = 9

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

Step 2: Then multiply all the prime factors GCF(90, 72, 945) = 9.