Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 4340 and 4345 the smallest integer that is 3771460 that is divisible by both numbers.
Least Common Multiple (LCM) of 4340 and 4345 is 3771460.
LCM(4340,4345) = 3771460
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 4340 and 4345. First we will calculate the prime factors of 4340 and 4345.
Prime Factorization of 4340
2 | 4340 |
2 | 2170 |
5 | 1085 |
7 | 217 |
31 | 31 |
1 |
Prime factors of 4340 are 2, 5, 7,31. Prime factorization of 4340 in exponential form is:
4340 = 22×51×71×311
Prime Factorization of 4345
5 | 4345 |
11 | 869 |
79 | 79 |
1 |
Prime factors of 4345 are 5, 11,79. Prime factorization of 4345 in exponential form is:
4345 = 51×111×791
Now multiplying the highest exponent prime factors to calculate the LCM of 4340 and 4345.
LCM(4340,4345) = 22×51×71×111×311×791
LCM(4340,4345) = 3771460
Factors of 4340
List of positive integer factors of 4340 that divides 4340 without a remainder.
1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340
Factors of 4345
List of positive integer factors of 4345 that divides 4345 without a remainder.
1, 5, 11, 55, 79, 395, 869, 4345
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 4340 and 4345, than apply into the LCM equation.
GCF(4340,4345) = 5
LCM(4340,4345) = ( 4340 × 4345) / 5
LCM(4340,4345) = 18857300 / 5
LCM(4340,4345) = 3771460
(i) The LCM of 4345 and 4340 is associative
LCM of 4340 and 4345 = LCM of 4345 and 4340
1. What is the LCM of 4340 and 4345?
Answer: LCM of 4340 and 4345 is 3771460.
2. What are the Factors of 4340?
Answer: Factors of 4340 are 1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340. There are 24 integers that are factors of 4340. The greatest factor of 4340 is 4340.
3. What are the Factors of 4345?
Answer: Factors of 4345 are 1, 5, 11, 55, 79, 395, 869, 4345. There are 8 integers that are factors of 4345. The greatest factor of 4345 is 4345.
4. How to Find the LCM of 4340 and 4345?
Answer:
Least Common Multiple of 4340 and 4345 = 3771460
Step 1: Find the prime factorization of 4340
4340 = 2 x 2 x 5 x 7 x 31
Step 2: Find the prime factorization of 4345
4345 = 5 x 11 x 79
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 3771460 = 2 x 2 x 5 x 7 x 11 x 31 x 79
Step 4: Therefore, the least common multiple of 4340 and 4345 is 3771460.