Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 148 and 155 the smallest integer that is 22940 that is divisible by both numbers.
Least Common Multiple (LCM) of 148 and 155 is 22940.
LCM(148,155) = 22940
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 148 and 155. First we will calculate the prime factors of 148 and 155.
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
Prime Factorization of 155
5 | 155 |
31 | 31 |
1 |
Prime factors of 155 are 5,31. Prime factorization of 155 in exponential form is:
155 = 51×311
Now multiplying the highest exponent prime factors to calculate the LCM of 148 and 155.
LCM(148,155) = 22×51×311×371
LCM(148,155) = 22940
Factors of 148
List of positive integer factors of 148 that divides 148 without a remainder.
1, 2, 4, 37, 74, 148
Factors of 155
List of positive integer factors of 155 that divides 155 without a remainder.
1, 5, 31, 155
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 148 and 155, than apply into the LCM equation.
GCF(148,155) = 1
LCM(148,155) = ( 148 × 155) / 1
LCM(148,155) = 22940 / 1
LCM(148,155) = 22940
(i) The LCM of 155 and 148 is associative
LCM of 148 and 155 = LCM of 155 and 148
1. What is the LCM of 148 and 155?
Answer: LCM of 148 and 155 is 22940.
2. 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.
3. What are the Factors of 155?
Answer: Factors of 155 are 1, 5, 31, 155. There are 4 integers that are factors of 155. The greatest factor of 155 is 155.
4. How to Find the LCM of 148 and 155?
Answer:
Least Common Multiple of 148 and 155 = 22940
Step 1: Find the prime factorization of 148
148 = 2 x 2 x 37
Step 2: Find the prime factorization of 155
155 = 5 x 31
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 22940 = 2 x 2 x 5 x 31 x 37
Step 4: Therefore, the least common multiple of 148 and 155 is 22940.