Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 119 and 126 the smallest integer that is 2142 that is divisible by both numbers.
Least Common Multiple (LCM) of 119 and 126 is 2142.
LCM(119,126) = 2142
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 119 and 126. First we will calculate the prime factors of 119 and 126.
Prime Factorization of 119
7 | 119 |
17 | 17 |
1 |
Prime factors of 119 are 7,17. Prime factorization of 119 in exponential form is:
119 = 71×171
Prime Factorization of 126
2 | 126 |
3 | 63 |
3 | 21 |
7 | 7 |
1 |
Prime factors of 126 are 2, 3,7. Prime factorization of 126 in exponential form is:
126 = 21×32×71
Now multiplying the highest exponent prime factors to calculate the LCM of 119 and 126.
LCM(119,126) = 21×32×71×171
LCM(119,126) = 2142
Factors of 119
List of positive integer factors of 119 that divides 119 without a remainder.
1, 7, 17, 119
Factors of 126
List of positive integer factors of 126 that divides 126 without a remainder.
1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 119 and 126, than apply into the LCM equation.
GCF(119,126) = 7
LCM(119,126) = ( 119 × 126) / 7
LCM(119,126) = 14994 / 7
LCM(119,126) = 2142
(i) The LCM of 126 and 119 is associative
LCM of 119 and 126 = LCM of 126 and 119
1. What is the LCM of 119 and 126?
Answer: LCM of 119 and 126 is 2142.
2. What are the Factors of 119?
Answer: Factors of 119 are 1, 7, 17, 119. There are 4 integers that are factors of 119. The greatest factor of 119 is 119.
3. What are the Factors of 126?
Answer: Factors of 126 are 1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126. There are 12 integers that are factors of 126. The greatest factor of 126 is 126.
4. How to Find the LCM of 119 and 126?
Answer:
Least Common Multiple of 119 and 126 = 2142
Step 1: Find the prime factorization of 119
119 = 7 x 17
Step 2: Find the prime factorization of 126
126 = 2 x 3 x 3 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 = 2142 = 2 x 3 x 3 x 7 x 17
Step 4: Therefore, the least common multiple of 119 and 126 is 2142.