Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 8340 and 8347 the smallest integer that is 69613980 that is divisible by both numbers.
Least Common Multiple (LCM) of 8340 and 8347 is 69613980.
LCM(8340,8347) = 69613980
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 8340 and 8347. First we will calculate the prime factors of 8340 and 8347.
Prime Factorization of 8340
2 | 8340 |
2 | 4170 |
3 | 2085 |
5 | 695 |
139 | 139 |
1 |
Prime factors of 8340 are 2, 3, 5,139. Prime factorization of 8340 in exponential form is:
8340 = 22×31×51×1391
Prime Factorization of 8347
17 | 8347 |
491 | 491 |
1 |
Prime factors of 8347 are 17,491. Prime factorization of 8347 in exponential form is:
8347 = 171×4911
Now multiplying the highest exponent prime factors to calculate the LCM of 8340 and 8347.
LCM(8340,8347) = 22×31×51×171×1391×4911
LCM(8340,8347) = 69613980
Factors of 8340
List of positive integer factors of 8340 that divides 8340 without a remainder.
1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 139, 278, 417, 556, 695, 834, 1390, 1668, 2085, 2780, 4170, 8340
Factors of 8347
List of positive integer factors of 8347 that divides 8347 without a remainder.
1, 17, 491, 8347
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 8340 and 8347, than apply into the LCM equation.
GCF(8340,8347) = 1
LCM(8340,8347) = ( 8340 × 8347) / 1
LCM(8340,8347) = 69613980 / 1
LCM(8340,8347) = 69613980
(i) The LCM of 8347 and 8340 is associative
LCM of 8340 and 8347 = LCM of 8347 and 8340
1. What is the LCM of 8340 and 8347?
Answer: LCM of 8340 and 8347 is 69613980.
2. What are the Factors of 8340?
Answer: Factors of 8340 are 1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 139, 278, 417, 556, 695, 834, 1390, 1668, 2085, 2780, 4170, 8340. There are 24 integers that are factors of 8340. The greatest factor of 8340 is 8340.
3. What are the Factors of 8347?
Answer: Factors of 8347 are 1, 17, 491, 8347. There are 4 integers that are factors of 8347. The greatest factor of 8347 is 8347.
4. How to Find the LCM of 8340 and 8347?
Answer:
Least Common Multiple of 8340 and 8347 = 69613980
Step 1: Find the prime factorization of 8340
8340 = 2 x 2 x 3 x 5 x 139
Step 2: Find the prime factorization of 8347
8347 = 17 x 491
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 69613980 = 2 x 2 x 3 x 5 x 17 x 139 x 491
Step 4: Therefore, the least common multiple of 8340 and 8347 is 69613980.