Greatest Common Factor of 16, 19, 55, 63

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

• Greatest Common Factor of 16, 19, 55, 63 by common division method
• Greatest Common Factor of 16, 19, 55, 63 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 16

List of positive integer factors of 16 that divides 16 without a remainder.

1,2,4,8,16

Factors of 19

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

1,19

Factors of 55

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

1,5,11,55

Factors of 63

List of positive integer factors of 63 that divides 63 without a remainder.

1,3,7,9,21,63

Greatest Common Factor

We found the factors 16,19,55,63 . The biggest common factor number is the GCF number.
So the greatest common factor 16,19,55,63 is 1.

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

• GCF of 29, 27, 59, 54
• GCF of 13, 30, 92, 90
• GCF of 31, 30, 74, 49
• GCF of 51, 49, 14, 21
• GCF of 53, 22, 59, 81

1. What is the GCF of 16, 19, 55, 63?

Answer: GCF of 16, 19, 55, 63 is 1.

2. How to Find the GCF of 16, 19, 55, 63

Answer: Greatest Common Factor(GCF) of 16, 19, 55, 63 = 1

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

Step 2: Then multiply all the prime factors GCF(16, 19, 55, 63) = 1.