Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 1481 and 1485 the smallest integer that is 2199285 that is divisible by both numbers.
Least Common Multiple (LCM) of 1481 and 1485 is 2199285.
LCM(1481,1485) = 2199285
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 1481 and 1485. First we will calculate the prime factors of 1481 and 1485.
Prime Factorization of 1481
1481 | 1481 |
1 |
Prime factors of 1481 are 1481. Prime factorization of 1481 in exponential form is:
1481 = 14811
Prime Factorization of 1485
3 | 1485 |
3 | 495 |
3 | 165 |
5 | 55 |
11 | 11 |
1 |
Prime factors of 1485 are 3, 5,11. Prime factorization of 1485 in exponential form is:
1485 = 33×51×111
Now multiplying the highest exponent prime factors to calculate the LCM of 1481 and 1485.
LCM(1481,1485) = 33×51×111×14811
LCM(1481,1485) = 2199285
Factors of 1481
List of positive integer factors of 1481 that divides 1481 without a remainder.
1, 1481
Factors of 1485
List of positive integer factors of 1485 that divides 1485 without a remainder.
1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 99, 135, 165, 297, 495, 1485
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1481 and 1485, than apply into the LCM equation.
GCF(1481,1485) = 1
LCM(1481,1485) = ( 1481 × 1485) / 1
LCM(1481,1485) = 2199285 / 1
LCM(1481,1485) = 2199285
(i) The LCM of 1485 and 1481 is associative
LCM of 1481 and 1485 = LCM of 1485 and 1481
1. What is the LCM of 1481 and 1485?
Answer: LCM of 1481 and 1485 is 2199285.
2. What are the Factors of 1481?
Answer: Factors of 1481 are 1, 1481. There are 2 integers that are factors of 1481. The greatest factor of 1481 is 1481.
3. What are the Factors of 1485?
Answer: Factors of 1485 are 1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 99, 135, 165, 297, 495, 1485. There are 16 integers that are factors of 1485. The greatest factor of 1485 is 1485.
4. How to Find the LCM of 1481 and 1485?
Answer:
Least Common Multiple of 1481 and 1485 = 2199285
Step 1: Find the prime factorization of 1481
1481 = 1481
Step 2: Find the prime factorization of 1485
1485 = 3 x 3 x 3 x 5 x 11
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 2199285 = 3 x 3 x 3 x 5 x 11 x 1481
Step 4: Therefore, the least common multiple of 1481 and 1485 is 2199285.