Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 309435 and 309442 the smallest integer that is 13678883610 that is divisible by both numbers.
Least Common Multiple (LCM) of 309435 and 309442 is 13678883610.
LCM(309435,309442) = 13678883610
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 309435 and 309442. First we will calculate the prime factors of 309435 and 309442.
Prime Factorization of 309435
3 | 309435 |
5 | 103145 |
7 | 20629 |
7 | 2947 |
421 | 421 |
1 |
Prime factors of 309435 are 3, 5, 7,421. Prime factorization of 309435 in exponential form is:
309435 = 31×51×72×4211
Prime Factorization of 309442
2 | 309442 |
7 | 154721 |
23 | 22103 |
31 | 961 |
31 | 31 |
1 |
Prime factors of 309442 are 2, 7, 23,31. Prime factorization of 309442 in exponential form is:
309442 = 21×71×231×312
Now multiplying the highest exponent prime factors to calculate the LCM of 309435 and 309442.
LCM(309435,309442) = 21×31×51×72×231×312×4211
LCM(309435,309442) = 13678883610
Factors of 309435
List of positive integer factors of 309435 that divides 309435 without a remainder.
1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 421, 735, 1263, 2105, 2947, 6315, 8841, 14735, 20629, 44205, 61887, 103145, 309435
Factors of 309442
List of positive integer factors of 309442 that divides 309442 without a remainder.
1, 2, 7, 14, 23, 31, 46, 62, 161, 217, 322, 434, 713, 961, 1426, 1922, 4991, 6727, 9982, 13454, 22103, 44206, 154721, 309442
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 309435 and 309442, than apply into the LCM equation.
GCF(309435,309442) = 7
LCM(309435,309442) = ( 309435 × 309442) / 7
LCM(309435,309442) = 95752185270 / 7
LCM(309435,309442) = 13678883610
(i) The LCM of 309442 and 309435 is associative
LCM of 309435 and 309442 = LCM of 309442 and 309435
1. What is the LCM of 309435 and 309442?
Answer: LCM of 309435 and 309442 is 13678883610.
2. What are the Factors of 309435?
Answer: Factors of 309435 are 1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 421, 735, 1263, 2105, 2947, 6315, 8841, 14735, 20629, 44205, 61887, 103145, 309435. There are 24 integers that are factors of 309435. The greatest factor of 309435 is 309435.
3. What are the Factors of 309442?
Answer: Factors of 309442 are 1, 2, 7, 14, 23, 31, 46, 62, 161, 217, 322, 434, 713, 961, 1426, 1922, 4991, 6727, 9982, 13454, 22103, 44206, 154721, 309442. There are 24 integers that are factors of 309442. The greatest factor of 309442 is 309442.
4. How to Find the LCM of 309435 and 309442?
Answer:
Least Common Multiple of 309435 and 309442 = 13678883610
Step 1: Find the prime factorization of 309435
309435 = 3 x 5 x 7 x 7 x 421
Step 2: Find the prime factorization of 309442
309442 = 2 x 7 x 23 x 31 x 31
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 13678883610 = 2 x 3 x 5 x 7 x 7 x 23 x 31 x 31 x 421
Step 4: Therefore, the least common multiple of 309435 and 309442 is 13678883610.