Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 515 and 521 the smallest integer that is 268315 that is divisible by both numbers.
Least Common Multiple (LCM) of 515 and 521 is 268315.
LCM(515,521) = 268315
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 515 and 521. First we will calculate the prime factors of 515 and 521.
Prime Factorization of 515
5 | 515 |
103 | 103 |
1 |
Prime factors of 515 are 5,103. Prime factorization of 515 in exponential form is:
515 = 51×1031
Prime Factorization of 521
521 | 521 |
1 |
Prime factors of 521 are 521. Prime factorization of 521 in exponential form is:
521 = 5211
Now multiplying the highest exponent prime factors to calculate the LCM of 515 and 521.
LCM(515,521) = 51×1031×5211
LCM(515,521) = 268315
Factors of 515
List of positive integer factors of 515 that divides 515 without a remainder.
1, 5, 103, 515
Factors of 521
List of positive integer factors of 521 that divides 521 without a remainder.
1, 521
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 515 and 521, than apply into the LCM equation.
GCF(515,521) = 1
LCM(515,521) = ( 515 × 521) / 1
LCM(515,521) = 268315 / 1
LCM(515,521) = 268315
(i) The LCM of 521 and 515 is associative
LCM of 515 and 521 = LCM of 521 and 515
1. What is the LCM of 515 and 521?
Answer: LCM of 515 and 521 is 268315.
2. What are the Factors of 515?
Answer: Factors of 515 are 1, 5, 103, 515. There are 4 integers that are factors of 515. The greatest factor of 515 is 515.
3. What are the Factors of 521?
Answer: Factors of 521 are 1, 521. There are 2 integers that are factors of 521. The greatest factor of 521 is 521.
4. How to Find the LCM of 515 and 521?
Answer:
Least Common Multiple of 515 and 521 = 268315
Step 1: Find the prime factorization of 515
515 = 5 x 103
Step 2: Find the prime factorization of 521
521 = 521
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 268315 = 5 x 103 x 521
Step 4: Therefore, the least common multiple of 515 and 521 is 268315.