Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 2421 and 2427 the smallest integer that is 1958589 that is divisible by both numbers.
Least Common Multiple (LCM) of 2421 and 2427 is 1958589.
LCM(2421,2427) = 1958589
Least common multiple or lowest common denominator (LCD) can be calculated in three ways;
Least common multiple can be found by multiplying the highest exponent prime factors of 2421 and 2427. First we will calculate the prime factors of 2421 and 2427.
Prime Factorization of 2421
3 | 2421 |
3 | 807 |
269 | 269 |
1 |
Prime factors of 2421 are 3,269. Prime factorization of 2421 in exponential form is:
2421 = 32×2691
Prime Factorization of 2427
3 | 2427 |
809 | 809 |
1 |
Prime factors of 2427 are 3,809. Prime factorization of 2427 in exponential form is:
2427 = 31×8091
Now multiplying the highest exponent prime factors to calculate the LCM of 2421 and 2427.
LCM(2421,2427) = 32×2691×8091
LCM(2421,2427) = 1958589
Factors of 2421
List of positive integer factors of 2421 that divides 2421 without a remainder.
1, 3, 9, 269, 807, 2421
Factors of 2427
List of positive integer factors of 2427 that divides 2427 without a remainder.
1, 3, 809, 2427
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 2421 and 2427, than apply into the LCM equation.
GCF(2421,2427) = 3
LCM(2421,2427) = ( 2421 × 2427) / 3
LCM(2421,2427) = 5875767 / 3
LCM(2421,2427) = 1958589
(i) The LCM of 2427 and 2421 is associative
LCM of 2421 and 2427 = LCM of 2427 and 2421
1. What is the LCM of 2421 and 2427?
Answer: LCM of 2421 and 2427 is 1958589.
2. What are the Factors of 2421?
Answer: Factors of 2421 are 1, 3, 9, 269, 807, 2421. There are 6 integers that are factors of 2421. The greatest factor of 2421 is 2421.
3. What are the Factors of 2427?
Answer: Factors of 2427 are 1, 3, 809, 2427. There are 4 integers that are factors of 2427. The greatest factor of 2427 is 2427.
4. How to Find the LCM of 2421 and 2427?
Answer:
Least Common Multiple of 2421 and 2427 = 1958589
Step 1: Find the prime factorization of 2421
2421 = 3 x 3 x 269
Step 2: Find the prime factorization of 2427
2427 = 3 x 809
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 1958589 = 3 x 3 x 269 x 809
Step 4: Therefore, the least common multiple of 2421 and 2427 is 1958589.