Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 2742 and 2748 the smallest integer that is 1255836 that is divisible by both numbers.
Least Common Multiple (LCM) of 2742 and 2748 is 1255836.
LCM(2742,2748) = 1255836
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 2742 and 2748. First we will calculate the prime factors of 2742 and 2748.
Prime Factorization of 2742
2 | 2742 |
3 | 1371 |
457 | 457 |
1 |
Prime factors of 2742 are 2, 3,457. Prime factorization of 2742 in exponential form is:
2742 = 21×31×4571
Prime Factorization of 2748
2 | 2748 |
2 | 1374 |
3 | 687 |
229 | 229 |
1 |
Prime factors of 2748 are 2, 3,229. Prime factorization of 2748 in exponential form is:
2748 = 22×31×2291
Now multiplying the highest exponent prime factors to calculate the LCM of 2742 and 2748.
LCM(2742,2748) = 22×31×2291×4571
LCM(2742,2748) = 1255836
Factors of 2742
List of positive integer factors of 2742 that divides 2742 without a remainder.
1, 2, 3, 6, 457, 914, 1371, 2742
Factors of 2748
List of positive integer factors of 2748 that divides 2748 without a remainder.
1, 2, 3, 4, 6, 12, 229, 458, 687, 916, 1374, 2748
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 2742 and 2748, than apply into the LCM equation.
GCF(2742,2748) = 6
LCM(2742,2748) = ( 2742 × 2748) / 6
LCM(2742,2748) = 7535016 / 6
LCM(2742,2748) = 1255836
(i) The LCM of 2748 and 2742 is associative
LCM of 2742 and 2748 = LCM of 2748 and 2742
1. What is the LCM of 2742 and 2748?
Answer: LCM of 2742 and 2748 is 1255836.
2. What are the Factors of 2742?
Answer: Factors of 2742 are 1, 2, 3, 6, 457, 914, 1371, 2742. There are 8 integers that are factors of 2742. The greatest factor of 2742 is 2742.
3. What are the Factors of 2748?
Answer: Factors of 2748 are 1, 2, 3, 4, 6, 12, 229, 458, 687, 916, 1374, 2748. There are 12 integers that are factors of 2748. The greatest factor of 2748 is 2748.
4. How to Find the LCM of 2742 and 2748?
Answer:
Least Common Multiple of 2742 and 2748 = 1255836
Step 1: Find the prime factorization of 2742
2742 = 2 x 3 x 457
Step 2: Find the prime factorization of 2748
2748 = 2 x 2 x 3 x 229
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 1255836 = 2 x 2 x 3 x 229 x 457
Step 4: Therefore, the least common multiple of 2742 and 2748 is 1255836.