Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 142 and 148 the smallest integer that is 10508 that is divisible by both numbers.
Least Common Multiple (LCM) of 142 and 148 is 10508.
LCM(142,148) = 10508
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 142 and 148. First we will calculate the prime factors of 142 and 148.
Prime Factorization of 142
2 | 142 |
71 | 71 |
1 |
Prime factors of 142 are 2,71. Prime factorization of 142 in exponential form is:
142 = 21×711
Prime Factorization of 148
2 | 148 |
2 | 74 |
37 | 37 |
1 |
Prime factors of 148 are 2,37. Prime factorization of 148 in exponential form is:
148 = 22×371
Now multiplying the highest exponent prime factors to calculate the LCM of 142 and 148.
LCM(142,148) = 22×371×711
LCM(142,148) = 10508
Factors of 142
List of positive integer factors of 142 that divides 142 without a remainder.
1, 2, 71, 142
Factors of 148
List of positive integer factors of 148 that divides 148 without a remainder.
1, 2, 4, 37, 74, 148
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 142 and 148, than apply into the LCM equation.
GCF(142,148) = 2
LCM(142,148) = ( 142 × 148) / 2
LCM(142,148) = 21016 / 2
LCM(142,148) = 10508
(i) The LCM of 148 and 142 is associative
LCM of 142 and 148 = LCM of 148 and 142
1. What is the LCM of 142 and 148?
Answer: LCM of 142 and 148 is 10508.
2. What are the Factors of 142?
Answer: Factors of 142 are 1, 2, 71, 142. There are 4 integers that are factors of 142. The greatest factor of 142 is 142.
3. What are the Factors of 148?
Answer: Factors of 148 are 1, 2, 4, 37, 74, 148. There are 6 integers that are factors of 148. The greatest factor of 148 is 148.
4. How to Find the LCM of 142 and 148?
Answer:
Least Common Multiple of 142 and 148 = 10508
Step 1: Find the prime factorization of 142
142 = 2 x 71
Step 2: Find the prime factorization of 148
148 = 2 x 2 x 37
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 10508 = 2 x 2 x 37 x 71
Step 4: Therefore, the least common multiple of 142 and 148 is 10508.