Greatest Common Factor of 70, 30, 72, 820

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

• Greatest Common Factor of 70, 30, 72, 820 by common division method
• Greatest Common Factor of 70, 30, 72, 820 with matching the biggest common factor

Maximum 4 Number can be enter but you can reset

∴ So the GCF of the given numbers is 2 = 2

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 30

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

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

Factors of 72

List of positive integer factors of 72 that divides 72 without a remainder.

1,2,3,4,6,8,9,12,18,24,36,72

Factors of 820

List of positive integer factors of 820 that divides 820 without a remainder.

1,2,4,5,10,20,41,82,164,205,410,820

Greatest Common Factor

We found the factors 70,30,72,820 . The biggest common factor number is the GCF number.
So the greatest common factor 70,30,72,820 is 2.

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

• GCF of 32, 65, 12, 903
• GCF of 46, 98, 56, 436
• GCF of 23, 66, 91, 995
• GCF of 51, 31, 10, 325
• GCF of 65, 84, 34, 455

1. What is the GCF of 70, 30, 72, 820?

Answer: GCF of 70, 30, 72, 820 is 2.

2. How to Find the GCF of 70, 30, 72, 820

Answer: Greatest Common Factor(GCF) of 70, 30, 72, 820 = 2

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

Step 2: Then multiply all the prime factors GCF(70, 30, 72, 820) = 2.