Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 1549 and 1555 the smallest integer that is 2408695 that is divisible by both numbers.
Least Common Multiple (LCM) of 1549 and 1555 is 2408695.
LCM(1549,1555) = 2408695
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 1549 and 1555. First we will calculate the prime factors of 1549 and 1555.
Prime Factorization of 1549
1549 | 1549 |
1 |
Prime factors of 1549 are 1549. Prime factorization of 1549 in exponential form is:
1549 = 15491
Prime Factorization of 1555
5 | 1555 |
311 | 311 |
1 |
Prime factors of 1555 are 5,311. Prime factorization of 1555 in exponential form is:
1555 = 51×3111
Now multiplying the highest exponent prime factors to calculate the LCM of 1549 and 1555.
LCM(1549,1555) = 51×3111×15491
LCM(1549,1555) = 2408695
Factors of 1549
List of positive integer factors of 1549 that divides 1549 without a remainder.
1, 1549
Factors of 1555
List of positive integer factors of 1555 that divides 1555 without a remainder.
1, 5, 311, 1555
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1549 and 1555, than apply into the LCM equation.
GCF(1549,1555) = 1
LCM(1549,1555) = ( 1549 × 1555) / 1
LCM(1549,1555) = 2408695 / 1
LCM(1549,1555) = 2408695
(i) The LCM of 1555 and 1549 is associative
LCM of 1549 and 1555 = LCM of 1555 and 1549
1. What is the LCM of 1549 and 1555?
Answer: LCM of 1549 and 1555 is 2408695.
2. What are the Factors of 1549?
Answer: Factors of 1549 are 1, 1549. There are 2 integers that are factors of 1549. The greatest factor of 1549 is 1549.
3. What are the Factors of 1555?
Answer: Factors of 1555 are 1, 5, 311, 1555. There are 4 integers that are factors of 1555. The greatest factor of 1555 is 1555.
4. How to Find the LCM of 1549 and 1555?
Answer:
Least Common Multiple of 1549 and 1555 = 2408695
Step 1: Find the prime factorization of 1549
1549 = 1549
Step 2: Find the prime factorization of 1555
1555 = 5 x 311
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 2408695 = 5 x 311 x 1549
Step 4: Therefore, the least common multiple of 1549 and 1555 is 2408695.