Greatest Common Factor of 30, 23, 68, 133

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

• Greatest Common Factor of 30, 23, 68, 133 by common division method
• Greatest Common Factor of 30, 23, 68, 133 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 68

List of positive integer factors of 68 that divides 68 without a remainder.

1,2,4,17,34,68

Factors of 133

List of positive integer factors of 133 that divides 133 without a remainder.

1,7,19,133

Greatest Common Factor

We found the factors 30,23,68,133 . The biggest common factor number is the GCF number.
So the greatest common factor 30,23,68,133 is 1.

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

• GCF of 68, 91, 13, 685
• GCF of 21, 53, 98, 651
• GCF of 92, 81, 96, 403
• GCF of 33, 17, 22, 197
• GCF of 59, 87, 36, 736

1. What is the GCF of 30, 23, 68, 133?

Answer: GCF of 30, 23, 68, 133 is 1.

2. How to Find the GCF of 30, 23, 68, 133

Answer: Greatest Common Factor(GCF) of 30, 23, 68, 133 = 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, 68, 133) = 1.