Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 5139 and 5145 the smallest integer that is 8813385 that is divisible by both numbers.
Least Common Multiple (LCM) of 5139 and 5145 is 8813385.
LCM(5139,5145) = 8813385
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 5139 and 5145. First we will calculate the prime factors of 5139 and 5145.
Prime Factorization of 5139
3 | 5139 |
3 | 1713 |
571 | 571 |
1 |
Prime factors of 5139 are 3,571. Prime factorization of 5139 in exponential form is:
5139 = 32×5711
Prime Factorization of 5145
3 | 5145 |
5 | 1715 |
7 | 343 |
7 | 49 |
7 | 7 |
1 |
Prime factors of 5145 are 3, 5,7. Prime factorization of 5145 in exponential form is:
5145 = 31×51×73
Now multiplying the highest exponent prime factors to calculate the LCM of 5139 and 5145.
LCM(5139,5145) = 32×51×73×5711
LCM(5139,5145) = 8813385
Factors of 5139
List of positive integer factors of 5139 that divides 5139 without a remainder.
1, 3, 9, 571, 1713, 5139
Factors of 5145
List of positive integer factors of 5145 that divides 5145 without a remainder.
1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 343, 735, 1029, 1715, 5145
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 5139 and 5145, than apply into the LCM equation.
GCF(5139,5145) = 3
LCM(5139,5145) = ( 5139 × 5145) / 3
LCM(5139,5145) = 26440155 / 3
LCM(5139,5145) = 8813385
(i) The LCM of 5145 and 5139 is associative
LCM of 5139 and 5145 = LCM of 5145 and 5139
1. What is the LCM of 5139 and 5145?
Answer: LCM of 5139 and 5145 is 8813385.
2. What are the Factors of 5139?
Answer: Factors of 5139 are 1, 3, 9, 571, 1713, 5139. There are 6 integers that are factors of 5139. The greatest factor of 5139 is 5139.
3. What are the Factors of 5145?
Answer: Factors of 5145 are 1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 343, 735, 1029, 1715, 5145. There are 16 integers that are factors of 5145. The greatest factor of 5145 is 5145.
4. How to Find the LCM of 5139 and 5145?
Answer:
Least Common Multiple of 5139 and 5145 = 8813385
Step 1: Find the prime factorization of 5139
5139 = 3 x 3 x 571
Step 2: Find the prime factorization of 5145
5145 = 3 x 5 x 7 x 7 x 7
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 8813385 = 3 x 3 x 5 x 7 x 7 x 7 x 571
Step 4: Therefore, the least common multiple of 5139 and 5145 is 8813385.