Greatest Common Factor of 87, 56, 69, 720

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

• Greatest Common Factor of 87, 56, 69, 720 by common division method
• Greatest Common Factor of 87, 56, 69, 720 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 87

List of positive integer factors of 87 that divides 87 without a remainder.

1,3,29,87

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 69

List of positive integer factors of 69 that divides 69 without a remainder.

1,3,23,69

Factors of 720

List of positive integer factors of 720 that divides 720 without a remainder.

1,2,3,4,5,6,8,9,10,12,15,16,18,20,24,30,36,40,45,48,60,72,80,90,120,144,180,240,360,720

Greatest Common Factor

We found the factors 87,56,69,720 . The biggest common factor number is the GCF number.
So the greatest common factor 87,56,69,720 is 1.

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

• GCF of 90, 28, 10, 974
• GCF of 81, 55, 91, 807
• GCF of 87, 43, 76, 398
• GCF of 91, 44, 89, 395
• GCF of 61, 14, 32, 731

1. What is the GCF of 87, 56, 69, 720?

Answer: GCF of 87, 56, 69, 720 is 1.

2. How to Find the GCF of 87, 56, 69, 720

Answer: Greatest Common Factor(GCF) of 87, 56, 69, 720 = 1

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

Step 2: Then multiply all the prime factors GCF(87, 56, 69, 720) = 1.