Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 2443 and 2445 the smallest integer that is 5973135 that is divisible by both numbers.
Least Common Multiple (LCM) of 2443 and 2445 is 5973135.
LCM(2443,2445) = 5973135
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 2443 and 2445. First we will calculate the prime factors of 2443 and 2445.
Prime Factorization of 2443
7 | 2443 |
349 | 349 |
1 |
Prime factors of 2443 are 7,349. Prime factorization of 2443 in exponential form is:
2443 = 71×3491
Prime Factorization of 2445
3 | 2445 |
5 | 815 |
163 | 163 |
1 |
Prime factors of 2445 are 3, 5,163. Prime factorization of 2445 in exponential form is:
2445 = 31×51×1631
Now multiplying the highest exponent prime factors to calculate the LCM of 2443 and 2445.
LCM(2443,2445) = 31×51×71×1631×3491
LCM(2443,2445) = 5973135
Factors of 2443
List of positive integer factors of 2443 that divides 2443 without a remainder.
1, 7, 349, 2443
Factors of 2445
List of positive integer factors of 2445 that divides 2445 without a remainder.
1, 3, 5, 15, 163, 489, 815, 2445
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 2443 and 2445, than apply into the LCM equation.
GCF(2443,2445) = 1
LCM(2443,2445) = ( 2443 × 2445) / 1
LCM(2443,2445) = 5973135 / 1
LCM(2443,2445) = 5973135
(i) The LCM of 2445 and 2443 is associative
LCM of 2443 and 2445 = LCM of 2445 and 2443
1. What is the LCM of 2443 and 2445?
Answer: LCM of 2443 and 2445 is 5973135.
2. What are the Factors of 2443?
Answer: Factors of 2443 are 1, 7, 349, 2443. There are 4 integers that are factors of 2443. The greatest factor of 2443 is 2443.
3. What are the Factors of 2445?
Answer: Factors of 2445 are 1, 3, 5, 15, 163, 489, 815, 2445. There are 8 integers that are factors of 2445. The greatest factor of 2445 is 2445.
4. How to Find the LCM of 2443 and 2445?
Answer:
Least Common Multiple of 2443 and 2445 = 5973135
Step 1: Find the prime factorization of 2443
2443 = 7 x 349
Step 2: Find the prime factorization of 2445
2445 = 3 x 5 x 163
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 5973135 = 3 x 5 x 7 x 163 x 349
Step 4: Therefore, the least common multiple of 2443 and 2445 is 5973135.