Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 19413 and 19420 the smallest integer that is 377000460 that is divisible by both numbers.
Least Common Multiple (LCM) of 19413 and 19420 is 377000460.
LCM(19413,19420) = 377000460
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 19413 and 19420. First we will calculate the prime factors of 19413 and 19420.
Prime Factorization of 19413
3 | 19413 |
3 | 6471 |
3 | 2157 |
719 | 719 |
1 |
Prime factors of 19413 are 3,719. Prime factorization of 19413 in exponential form is:
19413 = 33×7191
Prime Factorization of 19420
2 | 19420 |
2 | 9710 |
5 | 4855 |
971 | 971 |
1 |
Prime factors of 19420 are 2, 5,971. Prime factorization of 19420 in exponential form is:
19420 = 22×51×9711
Now multiplying the highest exponent prime factors to calculate the LCM of 19413 and 19420.
LCM(19413,19420) = 22×33×51×7191×9711
LCM(19413,19420) = 377000460
Factors of 19413
List of positive integer factors of 19413 that divides 19413 without a remainder.
1, 3, 9, 27, 719, 2157, 6471, 19413
Factors of 19420
List of positive integer factors of 19420 that divides 19420 without a remainder.
1, 2, 4, 5, 10, 20, 971, 1942, 3884, 4855, 9710, 19420
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 19413 and 19420, than apply into the LCM equation.
GCF(19413,19420) = 1
LCM(19413,19420) = ( 19413 × 19420) / 1
LCM(19413,19420) = 377000460 / 1
LCM(19413,19420) = 377000460
(i) The LCM of 19420 and 19413 is associative
LCM of 19413 and 19420 = LCM of 19420 and 19413
1. What is the LCM of 19413 and 19420?
Answer: LCM of 19413 and 19420 is 377000460.
2. What are the Factors of 19413?
Answer: Factors of 19413 are 1, 3, 9, 27, 719, 2157, 6471, 19413. There are 8 integers that are factors of 19413. The greatest factor of 19413 is 19413.
3. What are the Factors of 19420?
Answer: Factors of 19420 are 1, 2, 4, 5, 10, 20, 971, 1942, 3884, 4855, 9710, 19420. There are 12 integers that are factors of 19420. The greatest factor of 19420 is 19420.
4. How to Find the LCM of 19413 and 19420?
Answer:
Least Common Multiple of 19413 and 19420 = 377000460
Step 1: Find the prime factorization of 19413
19413 = 3 x 3 x 3 x 719
Step 2: Find the prime factorization of 19420
19420 = 2 x 2 x 5 x 971
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 377000460 = 2 x 2 x 3 x 3 x 3 x 5 x 719 x 971
Step 4: Therefore, the least common multiple of 19413 and 19420 is 377000460.