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 7413, 7420 i.e. 7 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 7413 and 7420 is 7.
GCF(7413,7420) = 7
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 7413
3 | 7413 |
7 | 2471 |
353 | 353 |
1 |
Prime factors of 7413 are 3,7,353. Prime factorization of 7413 in exponential form is:
7413 = 31×71×3531
Prime Factorization of 7420
2 | 7420 |
2 | 3710 |
5 | 1855 |
7 | 371 |
53 | 53 |
1 |
Prime factors of 7420 are 2,5,7,53. Prime factorization of 7420 in exponential form is:
7420 = 22×51×71×531
∴ So by taking common prime factors GCF of 7413 and 7420 is 7
Factors of 7413
List of positive integer factors of 7413 that divides 7413 without a remainder.
1,3,7,21,353,1059,2471,7413
Factors of 7420
List of positive integer factors of 7420 that divides 7420 without a remainder.
1,2,4,5,7,10,14,20,28,35,53,70,106,140,212,265,371,530,742,1060,1484,1855,3710,7420
Greatest Common Factor
We found the factors and prime factorization of 7413 and 7420. The biggest common factor number is the GCF number.
So the greatest common factor 7413 and 7420 is 7.
Also check out the Least Common Multiple of 7413 and 7420
(i) The GCF of 7413 and 7420 is associative
GCF of 7413 and 7420 = GCF of 7420 and 7413
1. What is the GCF of 7413 and 7420?
Answer: GCF of 7413 and 7420 is 7.
2. What are the Factors of 7413?
Answer: Factors of 7413 are 1, 3, 7, 21, 353, 1059, 2471, 7413. There are 8 integers that are factors of 7413. The greatest factor of 7413 is 7413.
3. What are the Factors of 7420?
Answer: Factors of 7420 are 1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 53, 70, 106, 140, 212, 265, 371, 530, 742, 1060, 1484, 1855, 3710, 7420. There are 24 integers that are factors of 7420. The greatest factor of 7420 is 7420.
4. How to Find the GCF of 7413 and 7420?
Answer:
Greatest Common Factor of 7413 and 7420 = 7
Step 1: Find the prime factorization of 7413
7413 = 3 x 7 x 353
Step 2: Find the prime factorization of 7420
7420 = 2 x 2 x 5 x 7 x 53
Step 3: Multiply those factors both numbers have in common in steps i) or ii) above to find the gcf:
GCF = 7
Step 4: Therefore, the greatest common factor of 7413 and 7420 is 7