Greatest Common Factor of 24, 49, 87, 13, 420

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

• Greatest Common Factor of 24, 49, 87, 13, 420 by common division method
• Greatest Common Factor of 24, 49, 87, 13, 420 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 24

List of positive integer factors of 24 that divides 24 without a remainder.

1,2,3,4,6,8,12,24

Factors of 49

List of positive integer factors of 49 that divides 49 without a remainder.

1,7,49

Factors of 87

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

1,3,29,87

Factors of 13

List of positive integer factors of 13 that divides 13 without a remainder.

1,13

Factors of 420

List of positive integer factors of 420 that divides 420 without a remainder.

1,2,3,4,5,6,7,10,12,14,15,20,21,28,30,35,42,60,70,84,105,140,210,420

Greatest Common Factor

We found the factors 24,49,87,13,420 . The biggest common factor number is the GCF number.
So the greatest common factor 24,49,87,13,420 is 1.

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

• GCF of 70, 82, 37, 65, 176
• GCF of 82, 49, 98, 78, 575
• GCF of 92, 47, 66, 49, 622
• GCF of 35, 38, 49, 60, 102
• GCF of 20, 73, 71, 14, 972

1. What is the GCF of 24, 49, 87, 13, 420?

Answer: GCF of 24, 49, 87, 13, 420 is 1.

2. How to Find the GCF of 24, 49, 87, 13, 420

Answer: Greatest Common Factor(GCF) of 24, 49, 87, 13, 420 = 1

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

Step 2: Then multiply all the prime factors GCF(24, 49, 87, 13, 420) = 1.