Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 453 and 458 the smallest integer that is 207474 that is divisible by both numbers.
Least Common Multiple (LCM) of 453 and 458 is 207474.
LCM(453,458) = 207474
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 453 and 458. First we will calculate the prime factors of 453 and 458.
Prime Factorization of 453
3 | 453 |
151 | 151 |
1 |
Prime factors of 453 are 3,151. Prime factorization of 453 in exponential form is:
453 = 31×1511
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
Now multiplying the highest exponent prime factors to calculate the LCM of 453 and 458.
LCM(453,458) = 21×31×1511×2291
LCM(453,458) = 207474
Factors of 453
List of positive integer factors of 453 that divides 453 without a remainder.
1, 3, 151, 453
Factors of 458
List of positive integer factors of 458 that divides 458 without a remainder.
1, 2, 229, 458
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 453 and 458, than apply into the LCM equation.
GCF(453,458) = 1
LCM(453,458) = ( 453 × 458) / 1
LCM(453,458) = 207474 / 1
LCM(453,458) = 207474
(i) The LCM of 458 and 453 is associative
LCM of 453 and 458 = LCM of 458 and 453
1. What is the LCM of 453 and 458?
Answer: LCM of 453 and 458 is 207474.
2. What are the Factors of 453?
Answer: Factors of 453 are 1, 3, 151, 453. There are 4 integers that are factors of 453. The greatest factor of 453 is 453.
3. 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.
4. How to Find the LCM of 453 and 458?
Answer:
Least Common Multiple of 453 and 458 = 207474
Step 1: Find the prime factorization of 453
453 = 3 x 151
Step 2: Find the prime factorization of 458
458 = 2 x 229
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 207474 = 2 x 3 x 151 x 229
Step 4: Therefore, the least common multiple of 453 and 458 is 207474.