Greatest Common Factor of 30, 25, 40, 136

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

• Greatest Common Factor of 30, 25, 40, 136 by common division method
• Greatest Common Factor of 30, 25, 40, 136 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 25

List of positive integer factors of 25 that divides 25 without a remainder.

1,5,25

Factors of 40

List of positive integer factors of 40 that divides 40 without a remainder.

1,2,4,5,8,10,20,40

Factors of 136

List of positive integer factors of 136 that divides 136 without a remainder.

1,2,4,8,17,34,68,136

Greatest Common Factor

We found the factors 30,25,40,136 . The biggest common factor number is the GCF number.
So the greatest common factor 30,25,40,136 is 1.

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

• GCF of 55, 66, 28, 189
• GCF of 68, 27, 34, 342
• GCF of 68, 85, 60, 431
• GCF of 49, 30, 24, 973
• GCF of 29, 97, 42, 396

1. What is the GCF of 30, 25, 40, 136?

Answer: GCF of 30, 25, 40, 136 is 1.

2. How to Find the GCF of 30, 25, 40, 136

Answer: Greatest Common Factor(GCF) of 30, 25, 40, 136 = 1

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

Step 2: Then multiply all the prime factors GCF(30, 25, 40, 136) = 1.