Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 3774 and 3780 the smallest integer that is 2377620 that is divisible by both numbers.
Least Common Multiple (LCM) of 3774 and 3780 is 2377620.
LCM(3774,3780) = 2377620
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 3774 and 3780. First we will calculate the prime factors of 3774 and 3780.
Prime Factorization of 3774
2 | 3774 |
3 | 1887 |
17 | 629 |
37 | 37 |
1 |
Prime factors of 3774 are 2, 3, 17,37. Prime factorization of 3774 in exponential form is:
3774 = 21×31×171×371
Prime Factorization of 3780
2 | 3780 |
2 | 1890 |
3 | 945 |
3 | 315 |
3 | 105 |
5 | 35 |
7 | 7 |
1 |
Prime factors of 3780 are 2, 3, 5,7. Prime factorization of 3780 in exponential form is:
3780 = 22×33×51×71
Now multiplying the highest exponent prime factors to calculate the LCM of 3774 and 3780.
LCM(3774,3780) = 22×33×51×71×171×371
LCM(3774,3780) = 2377620
Factors of 3774
List of positive integer factors of 3774 that divides 3774 without a remainder.
1, 2, 3, 6, 17, 34, 37, 51, 74, 102, 111, 222, 629, 1258, 1887, 3774
Factors of 3780
List of positive integer factors of 3780 that divides 3780 without a remainder.
1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 84, 90, 105, 108, 126, 135, 140, 180, 189, 210, 252, 270, 315, 378, 420, 540, 630, 756, 945, 1260, 1890, 3780
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 3774 and 3780, than apply into the LCM equation.
GCF(3774,3780) = 6
LCM(3774,3780) = ( 3774 × 3780) / 6
LCM(3774,3780) = 14265720 / 6
LCM(3774,3780) = 2377620
(i) The LCM of 3780 and 3774 is associative
LCM of 3774 and 3780 = LCM of 3780 and 3774
1. What is the LCM of 3774 and 3780?
Answer: LCM of 3774 and 3780 is 2377620.
2. What are the Factors of 3774?
Answer: Factors of 3774 are 1, 2, 3, 6, 17, 34, 37, 51, 74, 102, 111, 222, 629, 1258, 1887, 3774. There are 16 integers that are factors of 3774. The greatest factor of 3774 is 3774.
3. What are the Factors of 3780?
Answer: Factors of 3780 are 1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 84, 90, 105, 108, 126, 135, 140, 180, 189, 210, 252, 270, 315, 378, 420, 540, 630, 756, 945, 1260, 1890, 3780. There are 48 integers that are factors of 3780. The greatest factor of 3780 is 3780.
4. How to Find the LCM of 3774 and 3780?
Answer:
Least Common Multiple of 3774 and 3780 = 2377620
Step 1: Find the prime factorization of 3774
3774 = 2 x 3 x 17 x 37
Step 2: Find the prime factorization of 3780
3780 = 2 x 2 x 3 x 3 x 3 x 5 x 7
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 2377620 = 2 x 2 x 3 x 3 x 3 x 5 x 7 x 17 x 37
Step 4: Therefore, the least common multiple of 3774 and 3780 is 2377620.