Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 445 and 452 the smallest integer that is 201140 that is divisible by both numbers.
Least Common Multiple (LCM) of 445 and 452 is 201140.
LCM(445,452) = 201140
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 445 and 452. First we will calculate the prime factors of 445 and 452.
Prime Factorization of 445
5 | 445 |
89 | 89 |
1 |
Prime factors of 445 are 5,89. Prime factorization of 445 in exponential form is:
445 = 51×891
Prime Factorization of 452
2 | 452 |
2 | 226 |
113 | 113 |
1 |
Prime factors of 452 are 2,113. Prime factorization of 452 in exponential form is:
452 = 22×1131
Now multiplying the highest exponent prime factors to calculate the LCM of 445 and 452.
LCM(445,452) = 22×51×891×1131
LCM(445,452) = 201140
Factors of 445
List of positive integer factors of 445 that divides 445 without a remainder.
1, 5, 89, 445
Factors of 452
List of positive integer factors of 452 that divides 452 without a remainder.
1, 2, 4, 113, 226, 452
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 445 and 452, than apply into the LCM equation.
GCF(445,452) = 1
LCM(445,452) = ( 445 × 452) / 1
LCM(445,452) = 201140 / 1
LCM(445,452) = 201140
(i) The LCM of 452 and 445 is associative
LCM of 445 and 452 = LCM of 452 and 445
1. What is the LCM of 445 and 452?
Answer: LCM of 445 and 452 is 201140.
2. What are the Factors of 445?
Answer: Factors of 445 are 1, 5, 89, 445. There are 4 integers that are factors of 445. The greatest factor of 445 is 445.
3. What are the Factors of 452?
Answer: Factors of 452 are 1, 2, 4, 113, 226, 452. There are 6 integers that are factors of 452. The greatest factor of 452 is 452.
4. How to Find the LCM of 445 and 452?
Answer:
Least Common Multiple of 445 and 452 = 201140
Step 1: Find the prime factorization of 445
445 = 5 x 89
Step 2: Find the prime factorization of 452
452 = 2 x 2 x 113
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 201140 = 2 x 2 x 5 x 89 x 113
Step 4: Therefore, the least common multiple of 445 and 452 is 201140.