Greatest Common Factor of 63 and 71

Created By : Jatin Gogia

Reviewed By : Rajasekhar Valipishetty

Last Updated : Apr 06, 2023


Make use of GCF Calculator to quickly find the Greatest Common Factor of numbers 63, 71 i.e. 1 largest integer by which both the numbers can be divided.

Greatest common factor (GCF) of 63 and 71 is 1.

GCF(63,71) = 1

GCF of 63 and 71

Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;

GCF of:
and

Greatest Common Factor of 63 and 71

GCF of 63 and 71 is 1

Prime Factorization of 63


3 63
3 21
7 7
1

Prime factors of 63 are 3,7. Prime factorization of 63 in exponential form is:

63 = 32×71

Prime Factorization of 71


71 71
1

Prime factors of 71 are 71. Prime factorization of 71 in exponential form is:

71 = 711

∴ So by taking common prime factors GCF of 63 and 71 is 1

Greatest Common Factor of 63 and 71 by matching factors method

Factors of 63

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

1,3,7,9,21,63

Factors of 71

List of positive integer factors of 71 that divides 71 without a remainder.

1,71

Greatest Common Factor

We found the factors and prime factorization of 63 and 71. The biggest common factor number is the GCF number.
So the greatest common factor 63 and 71 is 1.

Also check out the Least Common Multiple of 63 and 71

Properties of GCF 63 and 71

(i) The GCF of 63 and 71 is associative

GCF of 63 and 71 = GCF of 71 and 63

Frequently Asked Questions on GCF of 63 and 71

1. What is the GCF of 63 and 71?

Answer: GCF of 63 and 71 is 1.

2. What are the Factors of 63?

Answer: Factors of 63 are 1, 3, 7, 9, 21, 63. There are 6 integers that are factors of 63. The greatest factor of 63 is 63.

3. What are the Factors of 71?

Answer: Factors of 71 are 1, 71. There are 2 integers that are factors of 71. The greatest factor of 71 is 71.

4. How to Find the GCF of 63 and 71?

Answer:

Greatest Common Factor of 63 and 71 = 1

Step 1: Find the prime factorization of 63

63 = 3 x 3 x 7

Step 2: Find the prime factorization of 71

71 = 71

Step 3: Multiply those factors both numbers have in common in steps i) or ii) above to find the gcf:

GCF = = 1

Step 4: Therefore, the greatest common factor of 63 and 71 is 1