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 31420, 31423 i.e. 1 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 31420 and 31423 is 1.
GCF(31420,31423) = 1
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 31420
2 | 31420 |
2 | 15710 |
5 | 7855 |
1571 | 1571 |
1 |
Prime factors of 31420 are 2,5,1571. Prime factorization of 31420 in exponential form is:
31420 = 22×51×15711
Prime Factorization of 31423
7 | 31423 |
67 | 4489 |
67 | 67 |
1 |
Prime factors of 31423 are 7,67. Prime factorization of 31423 in exponential form is:
31423 = 71×672
∴ So by taking common prime factors GCF of 31420 and 31423 is 1
Factors of 31420
List of positive integer factors of 31420 that divides 31420 without a remainder.
1,2,4,5,10,20,1571,3142,6284,7855,15710,31420
Factors of 31423
List of positive integer factors of 31423 that divides 31423 without a remainder.
1,7,67,469,4489,31423
Greatest Common Factor
We found the factors and prime factorization of 31420 and 31423. The biggest common factor number is the GCF number.
So the greatest common factor 31420 and 31423 is 1.
Also check out the Least Common Multiple of 31420 and 31423
(i) The GCF of 31420 and 31423 is associative
GCF of 31420 and 31423 = GCF of 31423 and 31420
1. What is the GCF of 31420 and 31423?
Answer: GCF of 31420 and 31423 is 1.
2. What are the Factors of 31420?
Answer: Factors of 31420 are 1, 2, 4, 5, 10, 20, 1571, 3142, 6284, 7855, 15710, 31420. There are 12 integers that are factors of 31420. The greatest factor of 31420 is 31420.
3. What are the Factors of 31423?
Answer: Factors of 31423 are 1, 7, 67, 469, 4489, 31423. There are 6 integers that are factors of 31423. The greatest factor of 31423 is 31423.
4. How to Find the GCF of 31420 and 31423?
Answer:
Greatest Common Factor of 31420 and 31423 = 1
Step 1: Find the prime factorization of 31420
31420 = 2 x 2 x 5 x 1571
Step 2: Find the prime factorization of 31423
31423 = 7 x 67 x 67
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 31420 and 31423 is 1