Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 133 and 140 the smallest integer that is 2660 that is divisible by both numbers.
Least Common Multiple (LCM) of 133 and 140 is 2660.
LCM(133,140) = 2660
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 133 and 140. First we will calculate the prime factors of 133 and 140.
Prime Factorization of 133
7 | 133 |
19 | 19 |
1 |
Prime factors of 133 are 7,19. Prime factorization of 133 in exponential form is:
133 = 71×191
Prime Factorization of 140
2 | 140 |
2 | 70 |
5 | 35 |
7 | 7 |
1 |
Prime factors of 140 are 2, 5,7. Prime factorization of 140 in exponential form is:
140 = 22×51×71
Now multiplying the highest exponent prime factors to calculate the LCM of 133 and 140.
LCM(133,140) = 22×51×71×191
LCM(133,140) = 2660
Factors of 133
List of positive integer factors of 133 that divides 133 without a remainder.
1, 7, 19, 133
Factors of 140
List of positive integer factors of 140 that divides 140 without a remainder.
1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 133 and 140, than apply into the LCM equation.
GCF(133,140) = 7
LCM(133,140) = ( 133 × 140) / 7
LCM(133,140) = 18620 / 7
LCM(133,140) = 2660
(i) The LCM of 140 and 133 is associative
LCM of 133 and 140 = LCM of 140 and 133
1. What is the LCM of 133 and 140?
Answer: LCM of 133 and 140 is 2660.
2. What are the Factors of 133?
Answer: Factors of 133 are 1, 7, 19, 133. There are 4 integers that are factors of 133. The greatest factor of 133 is 133.
3. What are the Factors of 140?
Answer: Factors of 140 are 1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140. There are 12 integers that are factors of 140. The greatest factor of 140 is 140.
4. How to Find the LCM of 133 and 140?
Answer:
Least Common Multiple of 133 and 140 = 2660
Step 1: Find the prime factorization of 133
133 = 7 x 19
Step 2: Find the prime factorization of 140
140 = 2 x 2 x 5 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 = 2660 = 2 x 2 x 5 x 7 x 19
Step 4: Therefore, the least common multiple of 133 and 140 is 2660.