Greatest Common Factor of 56, 30, 90, 690

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

• Greatest Common Factor of 56, 30, 90, 690 by common division method
• Greatest Common Factor of 56, 30, 90, 690 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 56

List of positive integer factors of 56 that divides 56 without a remainder.

1,2,4,7,8,14,28,56

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 90

List of positive integer factors of 90 that divides 90 without a remainder.

1,2,3,5,6,9,10,15,18,30,45,90

Factors of 690

List of positive integer factors of 690 that divides 690 without a remainder.

1,2,3,5,6,10,15,23,30,46,69,115,138,230,345,690

Greatest Common Factor

We found the factors 56,30,90,690 . The biggest common factor number is the GCF number.
So the greatest common factor 56,30,90,690 is 2.

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

• GCF of 25, 89, 31, 931
• GCF of 51, 41, 97, 648
• GCF of 33, 10, 11, 517
• GCF of 34, 22, 86, 613
• GCF of 50, 14, 75, 757

1. What is the GCF of 56, 30, 90, 690?

Answer: GCF of 56, 30, 90, 690 is 2.

2. How to Find the GCF of 56, 30, 90, 690

Answer: Greatest Common Factor(GCF) of 56, 30, 90, 690 = 2

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

Step 2: Then multiply all the prime factors GCF(56, 30, 90, 690) = 2.