Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 8235 and 8240 the smallest integer that is 13571280 that is divisible by both numbers.
Least Common Multiple (LCM) of 8235 and 8240 is 13571280.
LCM(8235,8240) = 13571280
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 8235 and 8240. First we will calculate the prime factors of 8235 and 8240.
Prime Factorization of 8235
3 | 8235 |
3 | 2745 |
3 | 915 |
5 | 305 |
61 | 61 |
1 |
Prime factors of 8235 are 3, 5,61. Prime factorization of 8235 in exponential form is:
8235 = 33×51×611
Prime Factorization of 8240
2 | 8240 |
2 | 4120 |
2 | 2060 |
2 | 1030 |
5 | 515 |
103 | 103 |
1 |
Prime factors of 8240 are 2, 5,103. Prime factorization of 8240 in exponential form is:
8240 = 24×51×1031
Now multiplying the highest exponent prime factors to calculate the LCM of 8235 and 8240.
LCM(8235,8240) = 24×33×51×611×1031
LCM(8235,8240) = 13571280
Factors of 8235
List of positive integer factors of 8235 that divides 8235 without a remainder.
1, 3, 5, 9, 15, 27, 45, 61, 135, 183, 305, 549, 915, 1647, 2745, 8235
Factors of 8240
List of positive integer factors of 8240 that divides 8240 without a remainder.
1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 103, 206, 412, 515, 824, 1030, 1648, 2060, 4120, 8240
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 8235 and 8240, than apply into the LCM equation.
GCF(8235,8240) = 5
LCM(8235,8240) = ( 8235 × 8240) / 5
LCM(8235,8240) = 67856400 / 5
LCM(8235,8240) = 13571280
(i) The LCM of 8240 and 8235 is associative
LCM of 8235 and 8240 = LCM of 8240 and 8235
1. What is the LCM of 8235 and 8240?
Answer: LCM of 8235 and 8240 is 13571280.
2. What are the Factors of 8235?
Answer: Factors of 8235 are 1, 3, 5, 9, 15, 27, 45, 61, 135, 183, 305, 549, 915, 1647, 2745, 8235. There are 16 integers that are factors of 8235. The greatest factor of 8235 is 8235.
3. What are the Factors of 8240?
Answer: Factors of 8240 are 1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 103, 206, 412, 515, 824, 1030, 1648, 2060, 4120, 8240. There are 20 integers that are factors of 8240. The greatest factor of 8240 is 8240.
4. How to Find the LCM of 8235 and 8240?
Answer:
Least Common Multiple of 8235 and 8240 = 13571280
Step 1: Find the prime factorization of 8235
8235 = 3 x 3 x 3 x 5 x 61
Step 2: Find the prime factorization of 8240
8240 = 2 x 2 x 2 x 2 x 5 x 103
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 13571280 = 2 x 2 x 2 x 2 x 3 x 3 x 3 x 5 x 61 x 103
Step 4: Therefore, the least common multiple of 8235 and 8240 is 13571280.