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 309440 the smallest integer that is 19150313280 that is divisible by both numbers.
Least Common Multiple (LCM) of 309435 and 309440 is 19150313280.
LCM(309435,309440) = 19150313280
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 309440. First we will calculate the prime factors of 309435 and 309440.
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 309440
2 | 309440 |
2 | 154720 |
2 | 77360 |
2 | 38680 |
2 | 19340 |
2 | 9670 |
5 | 4835 |
967 | 967 |
1 |
Prime factors of 309440 are 2, 5,967. Prime factorization of 309440 in exponential form is:
309440 = 26×51×9671
Now multiplying the highest exponent prime factors to calculate the LCM of 309435 and 309440.
LCM(309435,309440) = 26×31×51×72×4211×9671
LCM(309435,309440) = 19150313280
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 309440
List of positive integer factors of 309440 that divides 309440 without a remainder.
1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 967, 1934, 3868, 4835, 7736, 9670, 15472, 19340, 30944, 38680, 61888, 77360, 154720, 309440
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 309435 and 309440, than apply into the LCM equation.
GCF(309435,309440) = 5
LCM(309435,309440) = ( 309435 × 309440) / 5
LCM(309435,309440) = 95751566400 / 5
LCM(309435,309440) = 19150313280
(i) The LCM of 309440 and 309435 is associative
LCM of 309435 and 309440 = LCM of 309440 and 309435
1. What is the LCM of 309435 and 309440?
Answer: LCM of 309435 and 309440 is 19150313280.
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 309440?
Answer: Factors of 309440 are 1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 967, 1934, 3868, 4835, 7736, 9670, 15472, 19340, 30944, 38680, 61888, 77360, 154720, 309440. There are 28 integers that are factors of 309440. The greatest factor of 309440 is 309440.
4. How to Find the LCM of 309435 and 309440?
Answer:
Least Common Multiple of 309435 and 309440 = 19150313280
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 309440
309440 = 2 x 2 x 2 x 2 x 2 x 2 x 5 x 967
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 19150313280 = 2 x 2 x 2 x 2 x 2 x 2 x 3 x 5 x 7 x 7 x 421 x 967
Step 4: Therefore, the least common multiple of 309435 and 309440 is 19150313280.