Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 480 and 486 the smallest integer that is 38880 that is divisible by both numbers.
Least Common Multiple (LCM) of 480 and 486 is 38880.
LCM(480,486) = 38880
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 480 and 486. First we will calculate the prime factors of 480 and 486.
Prime Factorization of 480
2 | 480 |
2 | 240 |
2 | 120 |
2 | 60 |
2 | 30 |
3 | 15 |
5 | 5 |
1 |
Prime factors of 480 are 2, 3,5. Prime factorization of 480 in exponential form is:
480 = 25×31×51
Prime Factorization of 486
2 | 486 |
3 | 243 |
3 | 81 |
3 | 27 |
3 | 9 |
3 | 3 |
1 |
Prime factors of 486 are 2,3. Prime factorization of 486 in exponential form is:
486 = 21×35
Now multiplying the highest exponent prime factors to calculate the LCM of 480 and 486.
LCM(480,486) = 25×35×51
LCM(480,486) = 38880
Factors of 480
List of positive integer factors of 480 that divides 480 without a remainder.
1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480
Factors of 486
List of positive integer factors of 486 that divides 486 without a remainder.
1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 243, 486
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 480 and 486, than apply into the LCM equation.
GCF(480,486) = 6
LCM(480,486) = ( 480 × 486) / 6
LCM(480,486) = 233280 / 6
LCM(480,486) = 38880
(i) The LCM of 486 and 480 is associative
LCM of 480 and 486 = LCM of 486 and 480
1. What is the LCM of 480 and 486?
Answer: LCM of 480 and 486 is 38880.
2. What are the Factors of 480?
Answer: Factors of 480 are 1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480. There are 24 integers that are factors of 480. The greatest factor of 480 is 480.
3. What are the Factors of 486?
Answer: Factors of 486 are 1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 243, 486. There are 12 integers that are factors of 486. The greatest factor of 486 is 486.
4. How to Find the LCM of 480 and 486?
Answer:
Least Common Multiple of 480 and 486 = 38880
Step 1: Find the prime factorization of 480
480 = 2 x 2 x 2 x 2 x 2 x 3 x 5
Step 2: Find the prime factorization of 486
486 = 2 x 3 x 3 x 3 x 3 x 3
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 38880 = 2 x 2 x 2 x 2 x 2 x 3 x 3 x 3 x 3 x 3 x 5
Step 4: Therefore, the least common multiple of 480 and 486 is 38880.