Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 6515 and 6520 the smallest integer that is 8495560 that is divisible by both numbers.
Least Common Multiple (LCM) of 6515 and 6520 is 8495560.
LCM(6515,6520) = 8495560
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 6515 and 6520. First we will calculate the prime factors of 6515 and 6520.
Prime Factorization of 6515
5 | 6515 |
1303 | 1303 |
1 |
Prime factors of 6515 are 5,1303. Prime factorization of 6515 in exponential form is:
6515 = 51×13031
Prime Factorization of 6520
2 | 6520 |
2 | 3260 |
2 | 1630 |
5 | 815 |
163 | 163 |
1 |
Prime factors of 6520 are 2, 5,163. Prime factorization of 6520 in exponential form is:
6520 = 23×51×1631
Now multiplying the highest exponent prime factors to calculate the LCM of 6515 and 6520.
LCM(6515,6520) = 23×51×1631×13031
LCM(6515,6520) = 8495560
Factors of 6515
List of positive integer factors of 6515 that divides 6515 without a remainder.
1, 5, 1303, 6515
Factors of 6520
List of positive integer factors of 6520 that divides 6520 without a remainder.
1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 3260, 6520
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 6515 and 6520, than apply into the LCM equation.
GCF(6515,6520) = 5
LCM(6515,6520) = ( 6515 × 6520) / 5
LCM(6515,6520) = 42477800 / 5
LCM(6515,6520) = 8495560
(i) The LCM of 6520 and 6515 is associative
LCM of 6515 and 6520 = LCM of 6520 and 6515
1. What is the LCM of 6515 and 6520?
Answer: LCM of 6515 and 6520 is 8495560.
2. What are the Factors of 6515?
Answer: Factors of 6515 are 1, 5, 1303, 6515. There are 4 integers that are factors of 6515. The greatest factor of 6515 is 6515.
3. What are the Factors of 6520?
Answer: Factors of 6520 are 1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 3260, 6520. There are 16 integers that are factors of 6520. The greatest factor of 6520 is 6520.
4. How to Find the LCM of 6515 and 6520?
Answer:
Least Common Multiple of 6515 and 6520 = 8495560
Step 1: Find the prime factorization of 6515
6515 = 5 x 1303
Step 2: Find the prime factorization of 6520
6520 = 2 x 2 x 2 x 5 x 163
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 8495560 = 2 x 2 x 2 x 5 x 163 x 1303
Step 4: Therefore, the least common multiple of 6515 and 6520 is 8495560.