Greatest Common Factor of 126 and 127

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 126, 127 i.e. 1 largest integer by which both the numbers can be divided.

Greatest common factor (GCF) of 126 and 127 is 1.

GCF(126,127) = 1

GCF of 126 and 127

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

GCF of:
and

Greatest Common Factor of 126 and 127

GCF of 126 and 127 is 1

Prime Factorization of 126


2 126
3 63
3 21
7 7
1

Prime factors of 126 are 2,3,7. Prime factorization of 126 in exponential form is:

126 = 21×32×71

Prime Factorization of 127


127 127
1

Prime factors of 127 are 127. Prime factorization of 127 in exponential form is:

127 = 1271

∴ So by taking common prime factors GCF of 126 and 127 is 1

Greatest Common Factor of 126 and 127 by matching factors method

Factors of 126

List of positive integer factors of 126 that divides 126 without a remainder.

1,2,3,6,7,9,14,18,21,42,63,126

Factors of 127

List of positive integer factors of 127 that divides 127 without a remainder.

1,127

Greatest Common Factor

We found the factors and prime factorization of 126 and 127. The biggest common factor number is the GCF number.
So the greatest common factor 126 and 127 is 1.

Also check out the Least Common Multiple of 126 and 127

Properties of GCF 126 and 127

(i) The GCF of 126 and 127 is associative

GCF of 126 and 127 = GCF of 127 and 126

Related Greatest Common Factor of 126

Related Greatest Common Factor of 127

Frequently Asked Questions on GCF of 126 and 127

1. What is the GCF of 126 and 127?

Answer: GCF of 126 and 127 is 1.

2. What are the Factors of 126?

Answer: Factors of 126 are 1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126. There are 12 integers that are factors of 126. The greatest factor of 126 is 126.

3. What are the Factors of 127?

Answer: Factors of 127 are 1, 127. There are 2 integers that are factors of 127. The greatest factor of 127 is 127.

4. How to Find the GCF of 126 and 127?

Answer:

Greatest Common Factor of 126 and 127 = 1

Step 1: Find the prime factorization of 126

126 = 2 x 3 x 3 x 7

Step 2: Find the prime factorization of 127

127 = 127

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 126 and 127 is 1