Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 475 and 481 the smallest integer that is 228475 that is divisible by both numbers.
Least Common Multiple (LCM) of 475 and 481 is 228475.
LCM(475,481) = 228475
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 475 and 481. First we will calculate the prime factors of 475 and 481.
Prime Factorization of 475
5 | 475 |
5 | 95 |
19 | 19 |
1 |
Prime factors of 475 are 5,19. Prime factorization of 475 in exponential form is:
475 = 52×191
Prime Factorization of 481
13 | 481 |
37 | 37 |
1 |
Prime factors of 481 are 13,37. Prime factorization of 481 in exponential form is:
481 = 131×371
Now multiplying the highest exponent prime factors to calculate the LCM of 475 and 481.
LCM(475,481) = 52×131×191×371
LCM(475,481) = 228475
Factors of 475
List of positive integer factors of 475 that divides 475 without a remainder.
1, 5, 19, 25, 95, 475
Factors of 481
List of positive integer factors of 481 that divides 481 without a remainder.
1, 13, 37, 481
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 475 and 481, than apply into the LCM equation.
GCF(475,481) = 1
LCM(475,481) = ( 475 × 481) / 1
LCM(475,481) = 228475 / 1
LCM(475,481) = 228475
(i) The LCM of 481 and 475 is associative
LCM of 475 and 481 = LCM of 481 and 475
1. What is the LCM of 475 and 481?
Answer: LCM of 475 and 481 is 228475.
2. What are the Factors of 475?
Answer: Factors of 475 are 1, 5, 19, 25, 95, 475. There are 6 integers that are factors of 475. The greatest factor of 475 is 475.
3. What are the Factors of 481?
Answer: Factors of 481 are 1, 13, 37, 481. There are 4 integers that are factors of 481. The greatest factor of 481 is 481.
4. How to Find the LCM of 475 and 481?
Answer:
Least Common Multiple of 475 and 481 = 228475
Step 1: Find the prime factorization of 475
475 = 5 x 5 x 19
Step 2: Find the prime factorization of 481
481 = 13 x 37
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 228475 = 5 x 5 x 13 x 19 x 37
Step 4: Therefore, the least common multiple of 475 and 481 is 228475.