Greatest Common Factor of 30, 70, 64, 721

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

• Greatest Common Factor of 30, 70, 64, 721 by common division method
• Greatest Common Factor of 30, 70, 64, 721 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 70

List of positive integer factors of 70 that divides 70 without a remainder.

1,2,5,7,10,14,35,70

Factors of 64

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

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

Factors of 721

List of positive integer factors of 721 that divides 721 without a remainder.

1,7,103,721

Greatest Common Factor

We found the factors 30,70,64,721 . The biggest common factor number is the GCF number.
So the greatest common factor 30,70,64,721 is 1.

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

• GCF of 82, 89, 80, 434
• GCF of 22, 24, 78, 849
• GCF of 21, 87, 37, 774
• GCF of 53, 46, 50, 463
• GCF of 25, 61, 73, 444

1. What is the GCF of 30, 70, 64, 721?

Answer: GCF of 30, 70, 64, 721 is 1.

2. How to Find the GCF of 30, 70, 64, 721

Answer: Greatest Common Factor(GCF) of 30, 70, 64, 721 = 1

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

Step 2: Then multiply all the prime factors GCF(30, 70, 64, 721) = 1.