Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 1545 and 1552 the smallest integer that is 2397840 that is divisible by both numbers.
Least Common Multiple (LCM) of 1545 and 1552 is 2397840.
LCM(1545,1552) = 2397840
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 1545 and 1552. First we will calculate the prime factors of 1545 and 1552.
Prime Factorization of 1545
3 | 1545 |
5 | 515 |
103 | 103 |
1 |
Prime factors of 1545 are 3, 5,103. Prime factorization of 1545 in exponential form is:
1545 = 31×51×1031
Prime Factorization of 1552
2 | 1552 |
2 | 776 |
2 | 388 |
2 | 194 |
97 | 97 |
1 |
Prime factors of 1552 are 2,97. Prime factorization of 1552 in exponential form is:
1552 = 24×971
Now multiplying the highest exponent prime factors to calculate the LCM of 1545 and 1552.
LCM(1545,1552) = 24×31×51×971×1031
LCM(1545,1552) = 2397840
Factors of 1545
List of positive integer factors of 1545 that divides 1545 without a remainder.
1, 3, 5, 15, 103, 309, 515, 1545
Factors of 1552
List of positive integer factors of 1552 that divides 1552 without a remainder.
1, 2, 4, 8, 16, 97, 194, 388, 776, 1552
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1545 and 1552, than apply into the LCM equation.
GCF(1545,1552) = 1
LCM(1545,1552) = ( 1545 × 1552) / 1
LCM(1545,1552) = 2397840 / 1
LCM(1545,1552) = 2397840
(i) The LCM of 1552 and 1545 is associative
LCM of 1545 and 1552 = LCM of 1552 and 1545
1. What is the LCM of 1545 and 1552?
Answer: LCM of 1545 and 1552 is 2397840.
2. What are the Factors of 1545?
Answer: Factors of 1545 are 1, 3, 5, 15, 103, 309, 515, 1545. There are 8 integers that are factors of 1545. The greatest factor of 1545 is 1545.
3. What are the Factors of 1552?
Answer: Factors of 1552 are 1, 2, 4, 8, 16, 97, 194, 388, 776, 1552. There are 10 integers that are factors of 1552. The greatest factor of 1552 is 1552.
4. How to Find the LCM of 1545 and 1552?
Answer:
Least Common Multiple of 1545 and 1552 = 2397840
Step 1: Find the prime factorization of 1545
1545 = 3 x 5 x 103
Step 2: Find the prime factorization of 1552
1552 = 2 x 2 x 2 x 2 x 97
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 2397840 = 2 x 2 x 2 x 2 x 3 x 5 x 97 x 103
Step 4: Therefore, the least common multiple of 1545 and 1552 is 2397840.