Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 1674 and 1681 the smallest integer that is 2813994 that is divisible by both numbers.
Least Common Multiple (LCM) of 1674 and 1681 is 2813994.
LCM(1674,1681) = 2813994
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 1674 and 1681. First we will calculate the prime factors of 1674 and 1681.
Prime Factorization of 1674
2 | 1674 |
3 | 837 |
3 | 279 |
3 | 93 |
31 | 31 |
1 |
Prime factors of 1674 are 2, 3,31. Prime factorization of 1674 in exponential form is:
1674 = 21×33×311
Prime Factorization of 1681
41 | 1681 |
41 | 41 |
1 |
Prime factors of 1681 are 41. Prime factorization of 1681 in exponential form is:
1681 = 412
Now multiplying the highest exponent prime factors to calculate the LCM of 1674 and 1681.
LCM(1674,1681) = 21×33×311×412
LCM(1674,1681) = 2813994
Factors of 1674
List of positive integer factors of 1674 that divides 1674 without a remainder.
1, 2, 3, 6, 9, 18, 27, 31, 54, 62, 93, 186, 279, 558, 837, 1674
Factors of 1681
List of positive integer factors of 1681 that divides 1681 without a remainder.
1, 41, 1681
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1674 and 1681, than apply into the LCM equation.
GCF(1674,1681) = 1
LCM(1674,1681) = ( 1674 × 1681) / 1
LCM(1674,1681) = 2813994 / 1
LCM(1674,1681) = 2813994
(i) The LCM of 1681 and 1674 is associative
LCM of 1674 and 1681 = LCM of 1681 and 1674
1. What is the LCM of 1674 and 1681?
Answer: LCM of 1674 and 1681 is 2813994.
2. What are the Factors of 1674?
Answer: Factors of 1674 are 1, 2, 3, 6, 9, 18, 27, 31, 54, 62, 93, 186, 279, 558, 837, 1674. There are 16 integers that are factors of 1674. The greatest factor of 1674 is 1674.
3. What are the Factors of 1681?
Answer: Factors of 1681 are 1, 41, 1681. There are 3 integers that are factors of 1681. The greatest factor of 1681 is 1681.
4. How to Find the LCM of 1674 and 1681?
Answer:
Least Common Multiple of 1674 and 1681 = 2813994
Step 1: Find the prime factorization of 1674
1674 = 2 x 3 x 3 x 3 x 31
Step 2: Find the prime factorization of 1681
1681 = 41 x 41
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 2813994 = 2 x 3 x 3 x 3 x 31 x 41 x 41
Step 4: Therefore, the least common multiple of 1674 and 1681 is 2813994.