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 7238, 7240 i.e. 2 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 7238 and 7240 is 2.
GCF(7238,7240) = 2
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 7238
2 | 7238 |
7 | 3619 |
11 | 517 |
47 | 47 |
1 |
Prime factors of 7238 are 2,7,11,47. Prime factorization of 7238 in exponential form is:
7238 = 21×71×111×471
Prime Factorization of 7240
2 | 7240 |
2 | 3620 |
2 | 1810 |
5 | 905 |
181 | 181 |
1 |
Prime factors of 7240 are 2,5,181. Prime factorization of 7240 in exponential form is:
7240 = 23×51×1811
∴ So by taking common prime factors GCF of 7238 and 7240 is 2
Factors of 7238
List of positive integer factors of 7238 that divides 7238 without a remainder.
1,2,7,11,14,22,47,77,94,154,329,517,658,1034,3619,7238
Factors of 7240
List of positive integer factors of 7240 that divides 7240 without a remainder.
1,2,4,5,8,10,20,40,181,362,724,905,1448,1810,3620,7240
Greatest Common Factor
We found the factors and prime factorization of 7238 and 7240. The biggest common factor number is the GCF number.
So the greatest common factor 7238 and 7240 is 2.
Also check out the Least Common Multiple of 7238 and 7240
(i) The GCF of 7238 and 7240 is associative
GCF of 7238 and 7240 = GCF of 7240 and 7238
1. What is the GCF of 7238 and 7240?
Answer: GCF of 7238 and 7240 is 2.
2. What are the Factors of 7238?
Answer: Factors of 7238 are 1, 2, 7, 11, 14, 22, 47, 77, 94, 154, 329, 517, 658, 1034, 3619, 7238. There are 16 integers that are factors of 7238. The greatest factor of 7238 is 7238.
3. What are the Factors of 7240?
Answer: Factors of 7240 are 1, 2, 4, 5, 8, 10, 20, 40, 181, 362, 724, 905, 1448, 1810, 3620, 7240. There are 16 integers that are factors of 7240. The greatest factor of 7240 is 7240.
4. How to Find the GCF of 7238 and 7240?
Answer:
Greatest Common Factor of 7238 and 7240 = 2
Step 1: Find the prime factorization of 7238
7238 = 2 x 7 x 11 x 47
Step 2: Find the prime factorization of 7240
7240 = 2 x 2 x 2 x 5 x 181
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 7238 and 7240 is 2