Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 3418 and 3420 the smallest integer that is 5844780 that is divisible by both numbers.
Least Common Multiple (LCM) of 3418 and 3420 is 5844780.
LCM(3418,3420) = 5844780
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 3418 and 3420. First we will calculate the prime factors of 3418 and 3420.
Prime Factorization of 3418
2 | 3418 |
1709 | 1709 |
1 |
Prime factors of 3418 are 2,1709. Prime factorization of 3418 in exponential form is:
3418 = 21×17091
Prime Factorization of 3420
2 | 3420 |
2 | 1710 |
3 | 855 |
3 | 285 |
5 | 95 |
19 | 19 |
1 |
Prime factors of 3420 are 2, 3, 5,19. Prime factorization of 3420 in exponential form is:
3420 = 22×32×51×191
Now multiplying the highest exponent prime factors to calculate the LCM of 3418 and 3420.
LCM(3418,3420) = 22×32×51×191×17091
LCM(3418,3420) = 5844780
Factors of 3418
List of positive integer factors of 3418 that divides 3418 without a remainder.
1, 2, 1709, 3418
Factors of 3420
List of positive integer factors of 3420 that divides 3420 without a remainder.
1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 3418 and 3420, than apply into the LCM equation.
GCF(3418,3420) = 2
LCM(3418,3420) = ( 3418 × 3420) / 2
LCM(3418,3420) = 11689560 / 2
LCM(3418,3420) = 5844780
(i) The LCM of 3420 and 3418 is associative
LCM of 3418 and 3420 = LCM of 3420 and 3418
1. What is the LCM of 3418 and 3420?
Answer: LCM of 3418 and 3420 is 5844780.
2. What are the Factors of 3418?
Answer: Factors of 3418 are 1, 2, 1709, 3418. There are 4 integers that are factors of 3418. The greatest factor of 3418 is 3418.
3. What are the Factors of 3420?
Answer: Factors of 3420 are 1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420. There are 36 integers that are factors of 3420. The greatest factor of 3420 is 3420.
4. How to Find the LCM of 3418 and 3420?
Answer:
Least Common Multiple of 3418 and 3420 = 5844780
Step 1: Find the prime factorization of 3418
3418 = 2 x 1709
Step 2: Find the prime factorization of 3420
3420 = 2 x 2 x 3 x 3 x 5 x 19
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 5844780 = 2 x 2 x 3 x 3 x 5 x 19 x 1709
Step 4: Therefore, the least common multiple of 3418 and 3420 is 5844780.