Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 458 and 465 the smallest integer that is 212970 that is divisible by both numbers.
Least Common Multiple (LCM) of 458 and 465 is 212970.
LCM(458,465) = 212970
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 458 and 465. First we will calculate the prime factors of 458 and 465.
Prime Factorization of 458
2 | 458 |
229 | 229 |
1 |
Prime factors of 458 are 2,229. Prime factorization of 458 in exponential form is:
458 = 21×2291
Prime Factorization of 465
3 | 465 |
5 | 155 |
31 | 31 |
1 |
Prime factors of 465 are 3, 5,31. Prime factorization of 465 in exponential form is:
465 = 31×51×311
Now multiplying the highest exponent prime factors to calculate the LCM of 458 and 465.
LCM(458,465) = 21×31×51×311×2291
LCM(458,465) = 212970
Factors of 458
List of positive integer factors of 458 that divides 458 without a remainder.
1, 2, 229, 458
Factors of 465
List of positive integer factors of 465 that divides 465 without a remainder.
1, 3, 5, 15, 31, 93, 155, 465
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 458 and 465, than apply into the LCM equation.
GCF(458,465) = 1
LCM(458,465) = ( 458 × 465) / 1
LCM(458,465) = 212970 / 1
LCM(458,465) = 212970
(i) The LCM of 465 and 458 is associative
LCM of 458 and 465 = LCM of 465 and 458
1. What is the LCM of 458 and 465?
Answer: LCM of 458 and 465 is 212970.
2. What are the Factors of 458?
Answer: Factors of 458 are 1, 2, 229, 458. There are 4 integers that are factors of 458. The greatest factor of 458 is 458.
3. What are the Factors of 465?
Answer: Factors of 465 are 1, 3, 5, 15, 31, 93, 155, 465. There are 8 integers that are factors of 465. The greatest factor of 465 is 465.
4. How to Find the LCM of 458 and 465?
Answer:
Least Common Multiple of 458 and 465 = 212970
Step 1: Find the prime factorization of 458
458 = 2 x 229
Step 2: Find the prime factorization of 465
465 = 3 x 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 = 212970 = 2 x 3 x 5 x 31 x 229
Step 4: Therefore, the least common multiple of 458 and 465 is 212970.