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 15420, 15424 i.e. 4 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 15420 and 15424 is 4.
GCF(15420,15424) = 4
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 15420
2 | 15420 |
2 | 7710 |
3 | 3855 |
5 | 1285 |
257 | 257 |
1 |
Prime factors of 15420 are 2,3,5,257. Prime factorization of 15420 in exponential form is:
15420 = 22×31×51×2571
Prime Factorization of 15424
2 | 15424 |
2 | 7712 |
2 | 3856 |
2 | 1928 |
2 | 964 |
2 | 482 |
241 | 241 |
1 |
Prime factors of 15424 are 2,241. Prime factorization of 15424 in exponential form is:
15424 = 26×2411
∴ So by taking common prime factors GCF of 15420 and 15424 is 4
Factors of 15420
List of positive integer factors of 15420 that divides 15420 without a remainder.
1,2,3,4,5,6,10,12,15,20,30,60,257,514,771,1028,1285,1542,2570,3084,3855,5140,7710,15420
Factors of 15424
List of positive integer factors of 15424 that divides 15424 without a remainder.
1,2,4,8,16,32,64,241,482,964,1928,3856,7712,15424
Greatest Common Factor
We found the factors and prime factorization of 15420 and 15424. The biggest common factor number is the GCF number.
So the greatest common factor 15420 and 15424 is 4.
Also check out the Least Common Multiple of 15420 and 15424
(i) The GCF of 15420 and 15424 is associative
GCF of 15420 and 15424 = GCF of 15424 and 15420
1. What is the GCF of 15420 and 15424?
Answer: GCF of 15420 and 15424 is 4.
2. What are the Factors of 15420?
Answer: Factors of 15420 are 1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 257, 514, 771, 1028, 1285, 1542, 2570, 3084, 3855, 5140, 7710, 15420. There are 24 integers that are factors of 15420. The greatest factor of 15420 is 15420.
3. What are the Factors of 15424?
Answer: Factors of 15424 are 1, 2, 4, 8, 16, 32, 64, 241, 482, 964, 1928, 3856, 7712, 15424. There are 14 integers that are factors of 15424. The greatest factor of 15424 is 15424.
4. How to Find the GCF of 15420 and 15424?
Answer:
Greatest Common Factor of 15420 and 15424 = 4
Step 1: Find the prime factorization of 15420
15420 = 2 x 2 x 3 x 5 x 257
Step 2: Find the prime factorization of 15424
15424 = 2 x 2 x 2 x 2 x 2 x 2 x 241
Step 3: Multiply those factors both numbers have in common in steps i) or ii) above to find the gcf:
GCF = 2 x 2 = 4
Step 4: Therefore, the greatest common factor of 15420 and 15424 is 4