Greatest Common Factor of 90, 72, 217

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

• Greatest Common Factor of 90, 72, 217 by common division method
• Greatest Common Factor of 90, 72, 217 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 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 217

List of positive integer factors of 217 that divides 217 without a remainder.

1,7,31,217

Greatest Common Factor

We found the factors 90,72,217 . The biggest common factor number is the GCF number.
So the greatest common factor 90,72,217 is 1.

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

• GCF of 29, 74, 195
• GCF of 75, 56, 505
• GCF of 80, 67, 704
• GCF of 21, 76, 188
• GCF of 75, 64, 639

1. What is the GCF of 90, 72, 217?

Answer: GCF of 90, 72, 217 is 1.

2. How to Find the GCF of 90, 72, 217

Answer: Greatest Common Factor(GCF) of 90, 72, 217 = 1

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

Step 2: Then multiply all the prime factors GCF(90, 72, 217) = 1.