Greatest Common Factor of 63, 19, 46, 47, 20

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

• Greatest Common Factor of 63, 19, 46, 47, 20 by common division method
• Greatest Common Factor of 63, 19, 46, 47, 20 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 63

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

1,3,7,9,21,63

Factors of 19

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

1,19

Factors of 46

List of positive integer factors of 46 that divides 46 without a remainder.

1,2,23,46

Factors of 47

List of positive integer factors of 47 that divides 47 without a remainder.

1,47

Factors of 20

List of positive integer factors of 20 that divides 20 without a remainder.

1,2,4,5,10,20

Greatest Common Factor

We found the factors 63,19,46,47,20 . The biggest common factor number is the GCF number.
So the greatest common factor 63,19,46,47,20 is 1.

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

• GCF of 44, 90, 33, 75, 65
• GCF of 45, 25, 34, 58, 70
• GCF of 41, 65, 18, 87, 46
• GCF of 68, 80, 49, 60, 10
• GCF of 94, 29, 30, 11, 87

1. What is the GCF of 63, 19, 46, 47, 20?

Answer: GCF of 63, 19, 46, 47, 20 is 1.

2. How to Find the GCF of 63, 19, 46, 47, 20

Answer: Greatest Common Factor(GCF) of 63, 19, 46, 47, 20 = 1

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

Step 2: Then multiply all the prime factors GCF(63, 19, 46, 47, 20) = 1.