Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 8409 and 8417 the smallest integer that is 70778553 that is divisible by both numbers.
Least Common Multiple (LCM) of 8409 and 8417 is 70778553.
LCM(8409,8417) = 70778553
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 8409 and 8417. First we will calculate the prime factors of 8409 and 8417.
Prime Factorization of 8409
3 | 8409 |
2803 | 2803 |
1 |
Prime factors of 8409 are 3,2803. Prime factorization of 8409 in exponential form is:
8409 = 31×28031
Prime Factorization of 8417
19 | 8417 |
443 | 443 |
1 |
Prime factors of 8417 are 19,443. Prime factorization of 8417 in exponential form is:
8417 = 191×4431
Now multiplying the highest exponent prime factors to calculate the LCM of 8409 and 8417.
LCM(8409,8417) = 31×191×4431×28031
LCM(8409,8417) = 70778553
Factors of 8409
List of positive integer factors of 8409 that divides 8409 without a remainder.
1, 3, 2803, 8409
Factors of 8417
List of positive integer factors of 8417 that divides 8417 without a remainder.
1, 19, 443, 8417
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 8409 and 8417, than apply into the LCM equation.
GCF(8409,8417) = 1
LCM(8409,8417) = ( 8409 × 8417) / 1
LCM(8409,8417) = 70778553 / 1
LCM(8409,8417) = 70778553
(i) The LCM of 8417 and 8409 is associative
LCM of 8409 and 8417 = LCM of 8417 and 8409
1. What is the LCM of 8409 and 8417?
Answer: LCM of 8409 and 8417 is 70778553.
2. What are the Factors of 8409?
Answer: Factors of 8409 are 1, 3, 2803, 8409. There are 4 integers that are factors of 8409. The greatest factor of 8409 is 8409.
3. What are the Factors of 8417?
Answer: Factors of 8417 are 1, 19, 443, 8417. There are 4 integers that are factors of 8417. The greatest factor of 8417 is 8417.
4. How to Find the LCM of 8409 and 8417?
Answer:
Least Common Multiple of 8409 and 8417 = 70778553
Step 1: Find the prime factorization of 8409
8409 = 3 x 2803
Step 2: Find the prime factorization of 8417
8417 = 19 x 443
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 70778553 = 3 x 19 x 443 x 2803
Step 4: Therefore, the least common multiple of 8409 and 8417 is 70778553.