Greatest Common Factor of 49, 87, 55, 19

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

• Greatest Common Factor of 49, 87, 55, 19 by common division method
• Greatest Common Factor of 49, 87, 55, 19 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 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 55

List of positive integer factors of 55 that divides 55 without a remainder.

1,5,11,55

Factors of 19

List of positive integer factors of 19 that divides 19 without a remainder.

1,19

Greatest Common Factor

We found the factors 49,87,55,19 . The biggest common factor number is the GCF number.
So the greatest common factor 49,87,55,19 is 1.

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

• GCF of 25, 37, 42, 60
• GCF of 67, 74, 24, 65
• GCF of 50, 25, 67, 91
• GCF of 79, 72, 21, 98
• GCF of 66, 60, 15, 71

1. What is the GCF of 49, 87, 55, 19?

Answer: GCF of 49, 87, 55, 19 is 1.

2. How to Find the GCF of 49, 87, 55, 19

Answer: Greatest Common Factor(GCF) of 49, 87, 55, 19 = 1

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

Step 2: Then multiply all the prime factors GCF(49, 87, 55, 19) = 1.