Greatest Common Factor of 23, 17, 84, 3, 90

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

• Greatest Common Factor of 23, 17, 84, 3, 90 by common division method
• Greatest Common Factor of 23, 17, 84, 3, 90 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 23

List of positive integer factors of 23 that divides 23 without a remainder.

1,23

Factors of 17

List of positive integer factors of 17 that divides 17 without a remainder.

1,17

Factors of 84

List of positive integer factors of 84 that divides 84 without a remainder.

1,2,3,4,6,7,12,14,21,28,42,84

Factors of 3

List of positive integer factors of 3 that divides 3 without a remainder.

1,3

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

Greatest Common Factor

We found the factors 23,17,84,3,90 . The biggest common factor number is the GCF number.
So the greatest common factor 23,17,84,3,90 is 1.

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

• GCF of 18, 92, 77, 5, 58
• GCF of 31, 36, 89, 7, 86
• GCF of 71, 58, 42, 1, 75
• GCF of 43, 50, 55, 6, 63
• GCF of 52, 54, 73, 9, 66

1. What is the GCF of 23, 17, 84, 3, 90?

Answer: GCF of 23, 17, 84, 3, 90 is 1.

2. How to Find the GCF of 23, 17, 84, 3, 90

Answer: Greatest Common Factor(GCF) of 23, 17, 84, 3, 90 = 1

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

Step 2: Then multiply all the prime factors GCF(23, 17, 84, 3, 90) = 1.