Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 2731 and 2738 the smallest integer that is 7477478 that is divisible by both numbers.
Least Common Multiple (LCM) of 2731 and 2738 is 7477478.
LCM(2731,2738) = 7477478
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 2731 and 2738. First we will calculate the prime factors of 2731 and 2738.
Prime Factorization of 2731
2731 | 2731 |
1 |
Prime factors of 2731 are 2731. Prime factorization of 2731 in exponential form is:
2731 = 27311
Prime Factorization of 2738
2 | 2738 |
37 | 1369 |
37 | 37 |
1 |
Prime factors of 2738 are 2,37. Prime factorization of 2738 in exponential form is:
2738 = 21×372
Now multiplying the highest exponent prime factors to calculate the LCM of 2731 and 2738.
LCM(2731,2738) = 21×372×27311
LCM(2731,2738) = 7477478
Factors of 2731
List of positive integer factors of 2731 that divides 2731 without a remainder.
1, 2731
Factors of 2738
List of positive integer factors of 2738 that divides 2738 without a remainder.
1, 2, 37, 74, 1369, 2738
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 2731 and 2738, than apply into the LCM equation.
GCF(2731,2738) = 1
LCM(2731,2738) = ( 2731 × 2738) / 1
LCM(2731,2738) = 7477478 / 1
LCM(2731,2738) = 7477478
(i) The LCM of 2738 and 2731 is associative
LCM of 2731 and 2738 = LCM of 2738 and 2731
1. What is the LCM of 2731 and 2738?
Answer: LCM of 2731 and 2738 is 7477478.
2. What are the Factors of 2731?
Answer: Factors of 2731 are 1, 2731. There are 2 integers that are factors of 2731. The greatest factor of 2731 is 2731.
3. What are the Factors of 2738?
Answer: Factors of 2738 are 1, 2, 37, 74, 1369, 2738. There are 6 integers that are factors of 2738. The greatest factor of 2738 is 2738.
4. How to Find the LCM of 2731 and 2738?
Answer:
Least Common Multiple of 2731 and 2738 = 7477478
Step 1: Find the prime factorization of 2731
2731 = 2731
Step 2: Find the prime factorization of 2738
2738 = 2 x 37 x 37
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 7477478 = 2 x 37 x 37 x 2731
Step 4: Therefore, the least common multiple of 2731 and 2738 is 7477478.