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 31430, 31438 i.e. 2 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 31430 and 31438 is 2.
GCF(31430,31438) = 2
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 31430
2 | 31430 |
5 | 15715 |
7 | 3143 |
449 | 449 |
1 |
Prime factors of 31430 are 2,5,7,449. Prime factorization of 31430 in exponential form is:
31430 = 21×51×71×4491
Prime Factorization of 31438
2 | 31438 |
11 | 15719 |
1429 | 1429 |
1 |
Prime factors of 31438 are 2,11,1429. Prime factorization of 31438 in exponential form is:
31438 = 21×111×14291
∴ So by taking common prime factors GCF of 31430 and 31438 is 2
Factors of 31430
List of positive integer factors of 31430 that divides 31430 without a remainder.
1,2,5,7,10,14,35,70,449,898,2245,3143,4490,6286,15715,31430
Factors of 31438
List of positive integer factors of 31438 that divides 31438 without a remainder.
1,2,11,22,1429,2858,15719,31438
Greatest Common Factor
We found the factors and prime factorization of 31430 and 31438. The biggest common factor number is the GCF number.
So the greatest common factor 31430 and 31438 is 2.
Also check out the Least Common Multiple of 31430 and 31438
(i) The GCF of 31430 and 31438 is associative
GCF of 31430 and 31438 = GCF of 31438 and 31430
1. What is the GCF of 31430 and 31438?
Answer: GCF of 31430 and 31438 is 2.
2. What are the Factors of 31430?
Answer: Factors of 31430 are 1, 2, 5, 7, 10, 14, 35, 70, 449, 898, 2245, 3143, 4490, 6286, 15715, 31430. There are 16 integers that are factors of 31430. The greatest factor of 31430 is 31430.
3. What are the Factors of 31438?
Answer: Factors of 31438 are 1, 2, 11, 22, 1429, 2858, 15719, 31438. There are 8 integers that are factors of 31438. The greatest factor of 31438 is 31438.
4. How to Find the GCF of 31430 and 31438?
Answer:
Greatest Common Factor of 31430 and 31438 = 2
Step 1: Find the prime factorization of 31430
31430 = 2 x 5 x 7 x 449
Step 2: Find the prime factorization of 31438
31438 = 2 x 11 x 1429
Step 3: Multiply those factors both numbers have in common in steps i) or ii) above to find the gcf:
GCF = 2
Step 4: Therefore, the greatest common factor of 31430 and 31438 is 2