Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 2412 and 2420 the smallest integer that is 1459260 that is divisible by both numbers.
Least Common Multiple (LCM) of 2412 and 2420 is 1459260.
LCM(2412,2420) = 1459260
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 2412 and 2420. First we will calculate the prime factors of 2412 and 2420.
Prime Factorization of 2412
2 | 2412 |
2 | 1206 |
3 | 603 |
3 | 201 |
67 | 67 |
1 |
Prime factors of 2412 are 2, 3,67. Prime factorization of 2412 in exponential form is:
2412 = 22×32×671
Prime Factorization of 2420
2 | 2420 |
2 | 1210 |
5 | 605 |
11 | 121 |
11 | 11 |
1 |
Prime factors of 2420 are 2, 5,11. Prime factorization of 2420 in exponential form is:
2420 = 22×51×112
Now multiplying the highest exponent prime factors to calculate the LCM of 2412 and 2420.
LCM(2412,2420) = 22×32×51×112×671
LCM(2412,2420) = 1459260
Factors of 2412
List of positive integer factors of 2412 that divides 2412 without a remainder.
1, 2, 3, 4, 6, 9, 12, 18, 36, 67, 134, 201, 268, 402, 603, 804, 1206, 2412
Factors of 2420
List of positive integer factors of 2420 that divides 2420 without a remainder.
1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 2412 and 2420, than apply into the LCM equation.
GCF(2412,2420) = 4
LCM(2412,2420) = ( 2412 × 2420) / 4
LCM(2412,2420) = 5837040 / 4
LCM(2412,2420) = 1459260
(i) The LCM of 2420 and 2412 is associative
LCM of 2412 and 2420 = LCM of 2420 and 2412
1. What is the LCM of 2412 and 2420?
Answer: LCM of 2412 and 2420 is 1459260.
2. What are the Factors of 2412?
Answer: Factors of 2412 are 1, 2, 3, 4, 6, 9, 12, 18, 36, 67, 134, 201, 268, 402, 603, 804, 1206, 2412. There are 18 integers that are factors of 2412. The greatest factor of 2412 is 2412.
3. What are the Factors of 2420?
Answer: Factors of 2420 are 1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420. There are 18 integers that are factors of 2420. The greatest factor of 2420 is 2420.
4. How to Find the LCM of 2412 and 2420?
Answer:
Least Common Multiple of 2412 and 2420 = 1459260
Step 1: Find the prime factorization of 2412
2412 = 2 x 2 x 3 x 3 x 67
Step 2: Find the prime factorization of 2420
2420 = 2 x 2 x 5 x 11 x 11
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 1459260 = 2 x 2 x 3 x 3 x 5 x 11 x 11 x 67
Step 4: Therefore, the least common multiple of 2412 and 2420 is 1459260.