Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 15417 and 15423 the smallest integer that is 79258797 that is divisible by both numbers.
Least Common Multiple (LCM) of 15417 and 15423 is 79258797.
LCM(15417,15423) = 79258797
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 15417 and 15423. First we will calculate the prime factors of 15417 and 15423.
Prime Factorization of 15417
3 | 15417 |
3 | 5139 |
3 | 1713 |
571 | 571 |
1 |
Prime factors of 15417 are 3,571. Prime factorization of 15417 in exponential form is:
15417 = 33×5711
Prime Factorization of 15423
3 | 15423 |
53 | 5141 |
97 | 97 |
1 |
Prime factors of 15423 are 3, 53,97. Prime factorization of 15423 in exponential form is:
15423 = 31×531×971
Now multiplying the highest exponent prime factors to calculate the LCM of 15417 and 15423.
LCM(15417,15423) = 33×531×971×5711
LCM(15417,15423) = 79258797
Factors of 15417
List of positive integer factors of 15417 that divides 15417 without a remainder.
1, 3, 9, 27, 571, 1713, 5139, 15417
Factors of 15423
List of positive integer factors of 15423 that divides 15423 without a remainder.
1, 3, 53, 97, 159, 291, 5141, 15423
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 15417 and 15423, than apply into the LCM equation.
GCF(15417,15423) = 3
LCM(15417,15423) = ( 15417 × 15423) / 3
LCM(15417,15423) = 237776391 / 3
LCM(15417,15423) = 79258797
(i) The LCM of 15423 and 15417 is associative
LCM of 15417 and 15423 = LCM of 15423 and 15417
1. What is the LCM of 15417 and 15423?
Answer: LCM of 15417 and 15423 is 79258797.
2. What are the Factors of 15417?
Answer: Factors of 15417 are 1, 3, 9, 27, 571, 1713, 5139, 15417. There are 8 integers that are factors of 15417. The greatest factor of 15417 is 15417.
3. What are the Factors of 15423?
Answer: Factors of 15423 are 1, 3, 53, 97, 159, 291, 5141, 15423. There are 8 integers that are factors of 15423. The greatest factor of 15423 is 15423.
4. How to Find the LCM of 15417 and 15423?
Answer:
Least Common Multiple of 15417 and 15423 = 79258797
Step 1: Find the prime factorization of 15417
15417 = 3 x 3 x 3 x 571
Step 2: Find the prime factorization of 15423
15423 = 3 x 53 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 = 79258797 = 3 x 3 x 3 x 53 x 97 x 571
Step 4: Therefore, the least common multiple of 15417 and 15423 is 79258797.