Greatest Common Factor of 49, 40, 54, 30

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

• Greatest Common Factor of 49, 40, 54, 30 by common division method
• Greatest Common Factor of 49, 40, 54, 30 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 49

List of positive integer factors of 49 that divides 49 without a remainder.

1,7,49

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 54

List of positive integer factors of 54 that divides 54 without a remainder.

1,2,3,6,9,18,27,54

Factors of 30

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

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

Greatest Common Factor

We found the factors 49,40,54,30 . The biggest common factor number is the GCF number.
So the greatest common factor 49,40,54,30 is 1.

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

• GCF of 13, 33, 38, 80
• GCF of 73, 39, 41, 36
• GCF of 56, 78, 79, 26
• GCF of 47, 13, 10, 31
• GCF of 74, 93, 38, 88

1. What is the GCF of 49, 40, 54, 30?

Answer: GCF of 49, 40, 54, 30 is 1.

2. How to Find the GCF of 49, 40, 54, 30

Answer: Greatest Common Factor(GCF) of 49, 40, 54, 30 = 1

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

Step 2: Then multiply all the prime factors GCF(49, 40, 54, 30) = 1.