Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 15403 and 15408 the smallest integer that is 237329424 that is divisible by both numbers.
Least Common Multiple (LCM) of 15403 and 15408 is 237329424.
LCM(15403,15408) = 237329424
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 15403 and 15408. First we will calculate the prime factors of 15403 and 15408.
Prime Factorization of 15403
73 | 15403 |
211 | 211 |
1 |
Prime factors of 15403 are 73,211. Prime factorization of 15403 in exponential form is:
15403 = 731×2111
Prime Factorization of 15408
2 | 15408 |
2 | 7704 |
2 | 3852 |
2 | 1926 |
3 | 963 |
3 | 321 |
107 | 107 |
1 |
Prime factors of 15408 are 2, 3,107. Prime factorization of 15408 in exponential form is:
15408 = 24×32×1071
Now multiplying the highest exponent prime factors to calculate the LCM of 15403 and 15408.
LCM(15403,15408) = 24×32×731×1071×2111
LCM(15403,15408) = 237329424
Factors of 15403
List of positive integer factors of 15403 that divides 15403 without a remainder.
1, 73, 211, 15403
Factors of 15408
List of positive integer factors of 15408 that divides 15408 without a remainder.
1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 107, 144, 214, 321, 428, 642, 856, 963, 1284, 1712, 1926, 2568, 3852, 5136, 7704, 15408
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 15403 and 15408, than apply into the LCM equation.
GCF(15403,15408) = 1
LCM(15403,15408) = ( 15403 × 15408) / 1
LCM(15403,15408) = 237329424 / 1
LCM(15403,15408) = 237329424
(i) The LCM of 15408 and 15403 is associative
LCM of 15403 and 15408 = LCM of 15408 and 15403
1. What is the LCM of 15403 and 15408?
Answer: LCM of 15403 and 15408 is 237329424.
2. What are the Factors of 15403?
Answer: Factors of 15403 are 1, 73, 211, 15403. There are 4 integers that are factors of 15403. The greatest factor of 15403 is 15403.
3. What are the Factors of 15408?
Answer: Factors of 15408 are 1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 107, 144, 214, 321, 428, 642, 856, 963, 1284, 1712, 1926, 2568, 3852, 5136, 7704, 15408. There are 30 integers that are factors of 15408. The greatest factor of 15408 is 15408.
4. How to Find the LCM of 15403 and 15408?
Answer:
Least Common Multiple of 15403 and 15408 = 237329424
Step 1: Find the prime factorization of 15403
15403 = 73 x 211
Step 2: Find the prime factorization of 15408
15408 = 2 x 2 x 2 x 2 x 3 x 3 x 107
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 237329424 = 2 x 2 x 2 x 2 x 3 x 3 x 73 x 107 x 211
Step 4: Therefore, the least common multiple of 15403 and 15408 is 237329424.