Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 416 and 419 the smallest integer that is 174304 that is divisible by both numbers.
Least Common Multiple (LCM) of 416 and 419 is 174304.
LCM(416,419) = 174304
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 416 and 419. First we will calculate the prime factors of 416 and 419.
Prime Factorization of 416
2 | 416 |
2 | 208 |
2 | 104 |
2 | 52 |
2 | 26 |
13 | 13 |
1 |
Prime factors of 416 are 2,13. Prime factorization of 416 in exponential form is:
416 = 25×131
Prime Factorization of 419
419 | 419 |
1 |
Prime factors of 419 are 419. Prime factorization of 419 in exponential form is:
419 = 4191
Now multiplying the highest exponent prime factors to calculate the LCM of 416 and 419.
LCM(416,419) = 25×131×4191
LCM(416,419) = 174304
Factors of 416
List of positive integer factors of 416 that divides 416 without a remainder.
1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416
Factors of 419
List of positive integer factors of 419 that divides 419 without a remainder.
1, 419
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 416 and 419, than apply into the LCM equation.
GCF(416,419) = 1
LCM(416,419) = ( 416 × 419) / 1
LCM(416,419) = 174304 / 1
LCM(416,419) = 174304
(i) The LCM of 419 and 416 is associative
LCM of 416 and 419 = LCM of 419 and 416
1. What is the LCM of 416 and 419?
Answer: LCM of 416 and 419 is 174304.
2. What are the Factors of 416?
Answer: Factors of 416 are 1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416. There are 12 integers that are factors of 416. The greatest factor of 416 is 416.
3. What are the Factors of 419?
Answer: Factors of 419 are 1, 419. There are 2 integers that are factors of 419. The greatest factor of 419 is 419.
4. How to Find the LCM of 416 and 419?
Answer:
Least Common Multiple of 416 and 419 = 174304
Step 1: Find the prime factorization of 416
416 = 2 x 2 x 2 x 2 x 2 x 13
Step 2: Find the prime factorization of 419
419 = 419
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 174304 = 2 x 2 x 2 x 2 x 2 x 13 x 419
Step 4: Therefore, the least common multiple of 416 and 419 is 174304.