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 3781 the smallest integer that is 14269494 that is divisible by both numbers.
Least Common Multiple (LCM) of 3774 and 3781 is 14269494.
LCM(3774,3781) = 14269494
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 3781. First we will calculate the prime factors of 3774 and 3781.
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 3781
19 | 3781 |
199 | 199 |
1 |
Prime factors of 3781 are 19,199. Prime factorization of 3781 in exponential form is:
3781 = 191×1991
Now multiplying the highest exponent prime factors to calculate the LCM of 3774 and 3781.
LCM(3774,3781) = 21×31×171×191×371×1991
LCM(3774,3781) = 14269494
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 3781
List of positive integer factors of 3781 that divides 3781 without a remainder.
1, 19, 199, 3781
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 3774 and 3781, than apply into the LCM equation.
GCF(3774,3781) = 1
LCM(3774,3781) = ( 3774 × 3781) / 1
LCM(3774,3781) = 14269494 / 1
LCM(3774,3781) = 14269494
(i) The LCM of 3781 and 3774 is associative
LCM of 3774 and 3781 = LCM of 3781 and 3774
1. What is the LCM of 3774 and 3781?
Answer: LCM of 3774 and 3781 is 14269494.
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 3781?
Answer: Factors of 3781 are 1, 19, 199, 3781. There are 4 integers that are factors of 3781. The greatest factor of 3781 is 3781.
4. How to Find the LCM of 3774 and 3781?
Answer:
Least Common Multiple of 3774 and 3781 = 14269494
Step 1: Find the prime factorization of 3774
3774 = 2 x 3 x 17 x 37
Step 2: Find the prime factorization of 3781
3781 = 19 x 199
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 14269494 = 2 x 3 x 17 x 19 x 37 x 199
Step 4: Therefore, the least common multiple of 3774 and 3781 is 14269494.