Greatest Common Factor of 45, 49, 13, 87

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

• Greatest Common Factor of 45, 49, 13, 87 by common division method
• Greatest Common Factor of 45, 49, 13, 87 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 45

List of positive integer factors of 45 that divides 45 without a remainder.

1,3,5,9,15,45

Factors of 49

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

1,7,49

Factors of 13

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

1,13

Factors of 87

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

1,3,29,87

Greatest Common Factor

We found the factors 45,49,13,87 . The biggest common factor number is the GCF number.
So the greatest common factor 45,49,13,87 is 1.

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

• GCF of 86, 20, 28, 52
• GCF of 30, 14, 60, 27
• GCF of 80, 42, 55, 78
• GCF of 26, 16, 97, 79
• GCF of 53, 19, 42, 30

1. What is the GCF of 45, 49, 13, 87?

Answer: GCF of 45, 49, 13, 87 is 1.

2. How to Find the GCF of 45, 49, 13, 87

Answer: Greatest Common Factor(GCF) of 45, 49, 13, 87 = 1

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

Step 2: Then multiply all the prime factors GCF(45, 49, 13, 87) = 1.