Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 10142 and 10149 the smallest integer that is 102931158 that is divisible by both numbers.
Least Common Multiple (LCM) of 10142 and 10149 is 102931158.
LCM(10142,10149) = 102931158
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 10142 and 10149. First we will calculate the prime factors of 10142 and 10149.
Prime Factorization of 10142
2 | 10142 |
11 | 5071 |
461 | 461 |
1 |
Prime factors of 10142 are 2, 11,461. Prime factorization of 10142 in exponential form is:
10142 = 21×111×4611
Prime Factorization of 10149
3 | 10149 |
17 | 3383 |
199 | 199 |
1 |
Prime factors of 10149 are 3, 17,199. Prime factorization of 10149 in exponential form is:
10149 = 31×171×1991
Now multiplying the highest exponent prime factors to calculate the LCM of 10142 and 10149.
LCM(10142,10149) = 21×31×111×171×1991×4611
LCM(10142,10149) = 102931158
Factors of 10142
List of positive integer factors of 10142 that divides 10142 without a remainder.
1, 2, 11, 22, 461, 922, 5071, 10142
Factors of 10149
List of positive integer factors of 10149 that divides 10149 without a remainder.
1, 3, 17, 51, 199, 597, 3383, 10149
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 10142 and 10149, than apply into the LCM equation.
GCF(10142,10149) = 1
LCM(10142,10149) = ( 10142 × 10149) / 1
LCM(10142,10149) = 102931158 / 1
LCM(10142,10149) = 102931158
(i) The LCM of 10149 and 10142 is associative
LCM of 10142 and 10149 = LCM of 10149 and 10142
1. What is the LCM of 10142 and 10149?
Answer: LCM of 10142 and 10149 is 102931158.
2. What are the Factors of 10142?
Answer: Factors of 10142 are 1, 2, 11, 22, 461, 922, 5071, 10142. There are 8 integers that are factors of 10142. The greatest factor of 10142 is 10142.
3. What are the Factors of 10149?
Answer: Factors of 10149 are 1, 3, 17, 51, 199, 597, 3383, 10149. There are 8 integers that are factors of 10149. The greatest factor of 10149 is 10149.
4. How to Find the LCM of 10142 and 10149?
Answer:
Least Common Multiple of 10142 and 10149 = 102931158
Step 1: Find the prime factorization of 10142
10142 = 2 x 11 x 461
Step 2: Find the prime factorization of 10149
10149 = 3 x 17 x 199
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 102931158 = 2 x 3 x 11 x 17 x 199 x 461
Step 4: Therefore, the least common multiple of 10142 and 10149 is 102931158.