Greatest Common Factor of 90, 81, 693

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

• Greatest Common Factor of 90, 81, 693 by common division method
• Greatest Common Factor of 90, 81, 693 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 81

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

1,3,9,27,81

Factors of 693

List of positive integer factors of 693 that divides 693 without a remainder.

1,3,7,9,11,21,33,63,77,99,231,693

Greatest Common Factor

We found the factors 90,81,693 . The biggest common factor number is the GCF number.
So the greatest common factor 90,81,693 is 9.

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

• GCF of 99, 52, 770
• GCF of 99, 40, 919
• GCF of 48, 59, 214
• GCF of 66, 32, 261
• GCF of 52, 69, 800

1. What is the GCF of 90, 81, 693?

Answer: GCF of 90, 81, 693 is 9.

2. How to Find the GCF of 90, 81, 693

Answer: Greatest Common Factor(GCF) of 90, 81, 693 = 9

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

Step 2: Then multiply all the prime factors GCF(90, 81, 693) = 9.