Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 321451 and 321455 the smallest integer that is 103332031205 that is divisible by both numbers.
Least Common Multiple (LCM) of 321451 and 321455 is 103332031205.
LCM(321451,321455) = 103332031205
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 321451 and 321455. First we will calculate the prime factors of 321451 and 321455.
Prime Factorization of 321451
13 | 321451 |
79 | 24727 |
313 | 313 |
1 |
Prime factors of 321451 are 13, 79,313. Prime factorization of 321451 in exponential form is:
321451 = 131×791×3131
Prime Factorization of 321455
5 | 321455 |
239 | 64291 |
269 | 269 |
1 |
Prime factors of 321455 are 5, 239,269. Prime factorization of 321455 in exponential form is:
321455 = 51×2391×2691
Now multiplying the highest exponent prime factors to calculate the LCM of 321451 and 321455.
LCM(321451,321455) = 51×131×791×2391×2691×3131
LCM(321451,321455) = 103332031205
Factors of 321451
List of positive integer factors of 321451 that divides 321451 without a remainder.
1, 13, 79, 313, 1027, 4069, 24727, 321451
Factors of 321455
List of positive integer factors of 321455 that divides 321455 without a remainder.
1, 5, 239, 269, 1195, 1345, 64291, 321455
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 321451 and 321455, than apply into the LCM equation.
GCF(321451,321455) = 1
LCM(321451,321455) = ( 321451 × 321455) / 1
LCM(321451,321455) = 103332031205 / 1
LCM(321451,321455) = 103332031205
(i) The LCM of 321455 and 321451 is associative
LCM of 321451 and 321455 = LCM of 321455 and 321451
1. What is the LCM of 321451 and 321455?
Answer: LCM of 321451 and 321455 is 103332031205.
2. What are the Factors of 321451?
Answer: Factors of 321451 are 1, 13, 79, 313, 1027, 4069, 24727, 321451. There are 8 integers that are factors of 321451. The greatest factor of 321451 is 321451.
3. What are the Factors of 321455?
Answer: Factors of 321455 are 1, 5, 239, 269, 1195, 1345, 64291, 321455. There are 8 integers that are factors of 321455. The greatest factor of 321455 is 321455.
4. How to Find the LCM of 321451 and 321455?
Answer:
Least Common Multiple of 321451 and 321455 = 103332031205
Step 1: Find the prime factorization of 321451
321451 = 13 x 79 x 313
Step 2: Find the prime factorization of 321455
321455 = 5 x 239 x 269
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 103332031205 = 5 x 13 x 79 x 239 x 269 x 313
Step 4: Therefore, the least common multiple of 321451 and 321455 is 103332031205.