Greatest Common Factor of 30, 46, 71, 78, 64

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

• Greatest Common Factor of 30, 46, 71, 78, 64 by common division method
• Greatest Common Factor of 30, 46, 71, 78, 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 30

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

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

Factors of 46

List of positive integer factors of 46 that divides 46 without a remainder.

1,2,23,46

Factors of 71

List of positive integer factors of 71 that divides 71 without a remainder.

1,71

Factors of 78

List of positive integer factors of 78 that divides 78 without a remainder.

1,2,3,6,13,26,39,78

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 30,46,71,78,64 . The biggest common factor number is the GCF number.
So the greatest common factor 30,46,71,78,64 is 1.

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

• GCF of 80, 86, 31, 23, 60
• GCF of 30, 95, 67, 45, 12
• GCF of 37, 23, 49, 80, 31
• GCF of 58, 51, 49, 19, 46
• GCF of 63, 92, 99, 76, 73

1. What is the GCF of 30, 46, 71, 78, 64?

Answer: GCF of 30, 46, 71, 78, 64 is 1.

2. How to Find the GCF of 30, 46, 71, 78, 64

Answer: Greatest Common Factor(GCF) of 30, 46, 71, 78, 64 = 1

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

Step 2: Then multiply all the prime factors GCF(30, 46, 71, 78, 64) = 1.