Greatest Common Factor of 23, 30, 33, 90

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

• Greatest Common Factor of 23, 30, 33, 90 by common division method
• Greatest Common Factor of 23, 30, 33, 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 30

List of positive integer factors of 30 that divides 30 without a remainder.

1,2,3,5,6,10,15,30

Factors of 33

List of positive integer factors of 33 that divides 33 without a remainder.

1,3,11,33

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 23,30,33,90 . The biggest common factor number is the GCF number.
So the greatest common factor 23,30,33,90 is 1.

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

• GCF of 68, 59, 57, 23
• GCF of 18, 59, 77, 18
• GCF of 44, 24, 13, 37
• GCF of 58, 89, 31, 24
• GCF of 10, 55, 73, 91

1. What is the GCF of 23, 30, 33, 90?

Answer: GCF of 23, 30, 33, 90 is 1.

2. How to Find the GCF of 23, 30, 33, 90

Answer: Greatest Common Factor(GCF) of 23, 30, 33, 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, 30, 33, 90) = 1.