Greatest Common Factor of 30, 11, 43, 138

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

• Greatest Common Factor of 30, 11, 43, 138 by common division method
• Greatest Common Factor of 30, 11, 43, 138 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 11

List of positive integer factors of 11 that divides 11 without a remainder.

1,11

Factors of 43

List of positive integer factors of 43 that divides 43 without a remainder.

1,43

Factors of 138

List of positive integer factors of 138 that divides 138 without a remainder.

1,2,3,6,23,46,69,138

Greatest Common Factor

We found the factors 30,11,43,138 . The biggest common factor number is the GCF number.
So the greatest common factor 30,11,43,138 is 1.

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

• GCF of 98, 95, 12, 289
• GCF of 85, 33, 85, 401
• GCF of 35, 94, 54, 451
• GCF of 46, 23, 15, 604
• GCF of 72, 80, 87, 553

1. What is the GCF of 30, 11, 43, 138?

Answer: GCF of 30, 11, 43, 138 is 1.

2. How to Find the GCF of 30, 11, 43, 138

Answer: Greatest Common Factor(GCF) of 30, 11, 43, 138 = 1

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

Step 2: Then multiply all the prime factors GCF(30, 11, 43, 138) = 1.