Greatest Common Factor of 30, 23, 63, 123

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

• Greatest Common Factor of 30, 23, 63, 123 by common division method
• Greatest Common Factor of 30, 23, 63, 123 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 30

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

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

Factors of 23

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

1,23

Factors of 63

List of positive integer factors of 63 that divides 63 without a remainder.

1,3,7,9,21,63

Factors of 123

List of positive integer factors of 123 that divides 123 without a remainder.

1,3,41,123

Greatest Common Factor

We found the factors 30,23,63,123 . The biggest common factor number is the GCF number.
So the greatest common factor 30,23,63,123 is 1.

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

• GCF of 38, 58, 48, 156
• GCF of 24, 97, 22, 802
• GCF of 18, 77, 72, 377
• GCF of 13, 44, 44, 220
• GCF of 97, 48, 62, 333

1. What is the GCF of 30, 23, 63, 123?

Answer: GCF of 30, 23, 63, 123 is 1.

2. How to Find the GCF of 30, 23, 63, 123

Answer: Greatest Common Factor(GCF) of 30, 23, 63, 123 = 1

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

Step 2: Then multiply all the prime factors GCF(30, 23, 63, 123) = 1.