Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 358 and 361 the smallest integer that is 129238 that is divisible by both numbers.
Least Common Multiple (LCM) of 358 and 361 is 129238.
LCM(358,361) = 129238
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 358 and 361. First we will calculate the prime factors of 358 and 361.
Prime Factorization of 358
2 | 358 |
179 | 179 |
1 |
Prime factors of 358 are 2,179. Prime factorization of 358 in exponential form is:
358 = 21×1791
Prime Factorization of 361
19 | 361 |
19 | 19 |
1 |
Prime factors of 361 are 19. Prime factorization of 361 in exponential form is:
361 = 192
Now multiplying the highest exponent prime factors to calculate the LCM of 358 and 361.
LCM(358,361) = 21×192×1791
LCM(358,361) = 129238
Factors of 358
List of positive integer factors of 358 that divides 358 without a remainder.
1, 2, 179, 358
Factors of 361
List of positive integer factors of 361 that divides 361 without a remainder.
1, 19, 361
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 358 and 361, than apply into the LCM equation.
GCF(358,361) = 1
LCM(358,361) = ( 358 × 361) / 1
LCM(358,361) = 129238 / 1
LCM(358,361) = 129238
(i) The LCM of 361 and 358 is associative
LCM of 358 and 361 = LCM of 361 and 358
1. What is the LCM of 358 and 361?
Answer: LCM of 358 and 361 is 129238.
2. What are the Factors of 358?
Answer: Factors of 358 are 1, 2, 179, 358. There are 4 integers that are factors of 358. The greatest factor of 358 is 358.
3. What are the Factors of 361?
Answer: Factors of 361 are 1, 19, 361. There are 3 integers that are factors of 361. The greatest factor of 361 is 361.
4. How to Find the LCM of 358 and 361?
Answer:
Least Common Multiple of 358 and 361 = 129238
Step 1: Find the prime factorization of 358
358 = 2 x 179
Step 2: Find the prime factorization of 361
361 = 19 x 19
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 129238 = 2 x 19 x 19 x 179
Step 4: Therefore, the least common multiple of 358 and 361 is 129238.