Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 517 and 520 the smallest integer that is 268840 that is divisible by both numbers.
Least Common Multiple (LCM) of 517 and 520 is 268840.
LCM(517,520) = 268840
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 517 and 520. First we will calculate the prime factors of 517 and 520.
Prime Factorization of 517
11 | 517 |
47 | 47 |
1 |
Prime factors of 517 are 11,47. Prime factorization of 517 in exponential form is:
517 = 111×471
Prime Factorization of 520
2 | 520 |
2 | 260 |
2 | 130 |
5 | 65 |
13 | 13 |
1 |
Prime factors of 520 are 2, 5,13. Prime factorization of 520 in exponential form is:
520 = 23×51×131
Now multiplying the highest exponent prime factors to calculate the LCM of 517 and 520.
LCM(517,520) = 23×51×111×131×471
LCM(517,520) = 268840
Factors of 517
List of positive integer factors of 517 that divides 517 without a remainder.
1, 11, 47, 517
Factors of 520
List of positive integer factors of 520 that divides 520 without a remainder.
1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 517 and 520, than apply into the LCM equation.
GCF(517,520) = 1
LCM(517,520) = ( 517 × 520) / 1
LCM(517,520) = 268840 / 1
LCM(517,520) = 268840
(i) The LCM of 520 and 517 is associative
LCM of 517 and 520 = LCM of 520 and 517
1. What is the LCM of 517 and 520?
Answer: LCM of 517 and 520 is 268840.
2. What are the Factors of 517?
Answer: Factors of 517 are 1, 11, 47, 517. There are 4 integers that are factors of 517. The greatest factor of 517 is 517.
3. What are the Factors of 520?
Answer: Factors of 520 are 1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520. There are 16 integers that are factors of 520. The greatest factor of 520 is 520.
4. How to Find the LCM of 517 and 520?
Answer:
Least Common Multiple of 517 and 520 = 268840
Step 1: Find the prime factorization of 517
517 = 11 x 47
Step 2: Find the prime factorization of 520
520 = 2 x 2 x 2 x 5 x 13
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 268840 = 2 x 2 x 2 x 5 x 11 x 13 x 47
Step 4: Therefore, the least common multiple of 517 and 520 is 268840.