Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 3380 and 3381 the smallest integer that is 11427780 that is divisible by both numbers.
Least Common Multiple (LCM) of 3380 and 3381 is 11427780.
LCM(3380,3381) = 11427780
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 3380 and 3381. First we will calculate the prime factors of 3380 and 3381.
Prime Factorization of 3380
2 | 3380 |
2 | 1690 |
5 | 845 |
13 | 169 |
13 | 13 |
1 |
Prime factors of 3380 are 2, 5,13. Prime factorization of 3380 in exponential form is:
3380 = 22×51×132
Prime Factorization of 3381
3 | 3381 |
7 | 1127 |
7 | 161 |
23 | 23 |
1 |
Prime factors of 3381 are 3, 7,23. Prime factorization of 3381 in exponential form is:
3381 = 31×72×231
Now multiplying the highest exponent prime factors to calculate the LCM of 3380 and 3381.
LCM(3380,3381) = 22×31×51×72×132×231
LCM(3380,3381) = 11427780
Factors of 3380
List of positive integer factors of 3380 that divides 3380 without a remainder.
1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380
Factors of 3381
List of positive integer factors of 3381 that divides 3381 without a remainder.
1, 3, 7, 21, 23, 49, 69, 147, 161, 483, 1127, 3381
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 3380 and 3381, than apply into the LCM equation.
GCF(3380,3381) = 1
LCM(3380,3381) = ( 3380 × 3381) / 1
LCM(3380,3381) = 11427780 / 1
LCM(3380,3381) = 11427780
(i) The LCM of 3381 and 3380 is associative
LCM of 3380 and 3381 = LCM of 3381 and 3380
1. What is the LCM of 3380 and 3381?
Answer: LCM of 3380 and 3381 is 11427780.
2. What are the Factors of 3380?
Answer: Factors of 3380 are 1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380. There are 18 integers that are factors of 3380. The greatest factor of 3380 is 3380.
3. What are the Factors of 3381?
Answer: Factors of 3381 are 1, 3, 7, 21, 23, 49, 69, 147, 161, 483, 1127, 3381. There are 12 integers that are factors of 3381. The greatest factor of 3381 is 3381.
4. How to Find the LCM of 3380 and 3381?
Answer:
Least Common Multiple of 3380 and 3381 = 11427780
Step 1: Find the prime factorization of 3380
3380 = 2 x 2 x 5 x 13 x 13
Step 2: Find the prime factorization of 3381
3381 = 3 x 7 x 7 x 23
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 11427780 = 2 x 2 x 3 x 5 x 7 x 7 x 13 x 13 x 23
Step 4: Therefore, the least common multiple of 3380 and 3381 is 11427780.