Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 10420 and 10424 the smallest integer that is 27154520 that is divisible by both numbers.
Least Common Multiple (LCM) of 10420 and 10424 is 27154520.
LCM(10420,10424) = 27154520
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 10420 and 10424. First we will calculate the prime factors of 10420 and 10424.
Prime Factorization of 10420
2 | 10420 |
2 | 5210 |
5 | 2605 |
521 | 521 |
1 |
Prime factors of 10420 are 2, 5,521. Prime factorization of 10420 in exponential form is:
10420 = 22×51×5211
Prime Factorization of 10424
2 | 10424 |
2 | 5212 |
2 | 2606 |
1303 | 1303 |
1 |
Prime factors of 10424 are 2,1303. Prime factorization of 10424 in exponential form is:
10424 = 23×13031
Now multiplying the highest exponent prime factors to calculate the LCM of 10420 and 10424.
LCM(10420,10424) = 23×51×5211×13031
LCM(10420,10424) = 27154520
Factors of 10420
List of positive integer factors of 10420 that divides 10420 without a remainder.
1, 2, 4, 5, 10, 20, 521, 1042, 2084, 2605, 5210, 10420
Factors of 10424
List of positive integer factors of 10424 that divides 10424 without a remainder.
1, 2, 4, 8, 1303, 2606, 5212, 10424
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 10420 and 10424, than apply into the LCM equation.
GCF(10420,10424) = 4
LCM(10420,10424) = ( 10420 × 10424) / 4
LCM(10420,10424) = 108618080 / 4
LCM(10420,10424) = 27154520
(i) The LCM of 10424 and 10420 is associative
LCM of 10420 and 10424 = LCM of 10424 and 10420
1. What is the LCM of 10420 and 10424?
Answer: LCM of 10420 and 10424 is 27154520.
2. What are the Factors of 10420?
Answer: Factors of 10420 are 1, 2, 4, 5, 10, 20, 521, 1042, 2084, 2605, 5210, 10420. There are 12 integers that are factors of 10420. The greatest factor of 10420 is 10420.
3. What are the Factors of 10424?
Answer: Factors of 10424 are 1, 2, 4, 8, 1303, 2606, 5212, 10424. There are 8 integers that are factors of 10424. The greatest factor of 10424 is 10424.
4. How to Find the LCM of 10420 and 10424?
Answer:
Least Common Multiple of 10420 and 10424 = 27154520
Step 1: Find the prime factorization of 10420
10420 = 2 x 2 x 5 x 521
Step 2: Find the prime factorization of 10424
10424 = 2 x 2 x 2 x 1303
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 27154520 = 2 x 2 x 2 x 5 x 521 x 1303
Step 4: Therefore, the least common multiple of 10420 and 10424 is 27154520.