Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 457 and 465 the smallest integer that is 212505 that is divisible by both numbers.
Least Common Multiple (LCM) of 457 and 465 is 212505.
LCM(457,465) = 212505
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 457 and 465. First we will calculate the prime factors of 457 and 465.
Prime Factorization of 457
457 | 457 |
1 |
Prime factors of 457 are 457. Prime factorization of 457 in exponential form is:
457 = 4571
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 457 and 465.
LCM(457,465) = 31×51×311×4571
LCM(457,465) = 212505
Factors of 457
List of positive integer factors of 457 that divides 457 without a remainder.
1, 457
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 457 and 465, than apply into the LCM equation.
GCF(457,465) = 1
LCM(457,465) = ( 457 × 465) / 1
LCM(457,465) = 212505 / 1
LCM(457,465) = 212505
(i) The LCM of 465 and 457 is associative
LCM of 457 and 465 = LCM of 465 and 457
1. What is the LCM of 457 and 465?
Answer: LCM of 457 and 465 is 212505.
2. What are the Factors of 457?
Answer: Factors of 457 are 1, 457. There are 2 integers that are factors of 457. The greatest factor of 457 is 457.
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 457 and 465?
Answer:
Least Common Multiple of 457 and 465 = 212505
Step 1: Find the prime factorization of 457
457 = 457
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 = 212505 = 3 x 5 x 31 x 457
Step 4: Therefore, the least common multiple of 457 and 465 is 212505.