Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 520 and 524 the smallest integer that is 68120 that is divisible by both numbers.
Least Common Multiple (LCM) of 520 and 524 is 68120.
LCM(520,524) = 68120
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 520 and 524. First we will calculate the prime factors of 520 and 524.
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
Prime Factorization of 524
2 | 524 |
2 | 262 |
131 | 131 |
1 |
Prime factors of 524 are 2,131. Prime factorization of 524 in exponential form is:
524 = 22×1311
Now multiplying the highest exponent prime factors to calculate the LCM of 520 and 524.
LCM(520,524) = 23×51×131×1311
LCM(520,524) = 68120
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
Factors of 524
List of positive integer factors of 524 that divides 524 without a remainder.
1, 2, 4, 131, 262, 524
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 520 and 524, than apply into the LCM equation.
GCF(520,524) = 4
LCM(520,524) = ( 520 × 524) / 4
LCM(520,524) = 272480 / 4
LCM(520,524) = 68120
(i) The LCM of 524 and 520 is associative
LCM of 520 and 524 = LCM of 524 and 520
1. What is the LCM of 520 and 524?
Answer: LCM of 520 and 524 is 68120.
2. 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.
3. What are the Factors of 524?
Answer: Factors of 524 are 1, 2, 4, 131, 262, 524. There are 6 integers that are factors of 524. The greatest factor of 524 is 524.
4. How to Find the LCM of 520 and 524?
Answer:
Least Common Multiple of 520 and 524 = 68120
Step 1: Find the prime factorization of 520
520 = 2 x 2 x 2 x 5 x 13
Step 2: Find the prime factorization of 524
524 = 2 x 2 x 131
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 68120 = 2 x 2 x 2 x 5 x 13 x 131
Step 4: Therefore, the least common multiple of 520 and 524 is 68120.