Greatest Common Factor of 55, 30, 13, 64

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

• Greatest Common Factor of 55, 30, 13, 64 by common division method
• Greatest Common Factor of 55, 30, 13, 64 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 55

List of positive integer factors of 55 that divides 55 without a remainder.

1,5,11,55

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 13

List of positive integer factors of 13 that divides 13 without a remainder.

1,13

Factors of 64

List of positive integer factors of 64 that divides 64 without a remainder.

1,2,4,8,16,32,64

Greatest Common Factor

We found the factors 55,30,13,64 . The biggest common factor number is the GCF number.
So the greatest common factor 55,30,13,64 is 1.

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

• GCF of 43, 84, 42, 24
• GCF of 96, 74, 75, 50
• GCF of 77, 84, 94, 84
• GCF of 35, 79, 44, 23
• GCF of 20, 41, 58, 64

1. What is the GCF of 55, 30, 13, 64?

Answer: GCF of 55, 30, 13, 64 is 1.

2. How to Find the GCF of 55, 30, 13, 64

Answer: Greatest Common Factor(GCF) of 55, 30, 13, 64 = 1

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

Step 2: Then multiply all the prime factors GCF(55, 30, 13, 64) = 1.