Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 1692 and 1698 the smallest integer that is 478836 that is divisible by both numbers.
Least Common Multiple (LCM) of 1692 and 1698 is 478836.
LCM(1692,1698) = 478836
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 1692 and 1698. First we will calculate the prime factors of 1692 and 1698.
Prime Factorization of 1692
2 | 1692 |
2 | 846 |
3 | 423 |
3 | 141 |
47 | 47 |
1 |
Prime factors of 1692 are 2, 3,47. Prime factorization of 1692 in exponential form is:
1692 = 22×32×471
Prime Factorization of 1698
2 | 1698 |
3 | 849 |
283 | 283 |
1 |
Prime factors of 1698 are 2, 3,283. Prime factorization of 1698 in exponential form is:
1698 = 21×31×2831
Now multiplying the highest exponent prime factors to calculate the LCM of 1692 and 1698.
LCM(1692,1698) = 22×32×471×2831
LCM(1692,1698) = 478836
Factors of 1692
List of positive integer factors of 1692 that divides 1692 without a remainder.
1, 2, 3, 4, 6, 9, 12, 18, 36, 47, 94, 141, 188, 282, 423, 564, 846, 1692
Factors of 1698
List of positive integer factors of 1698 that divides 1698 without a remainder.
1, 2, 3, 6, 283, 566, 849, 1698
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1692 and 1698, than apply into the LCM equation.
GCF(1692,1698) = 6
LCM(1692,1698) = ( 1692 × 1698) / 6
LCM(1692,1698) = 2873016 / 6
LCM(1692,1698) = 478836
(i) The LCM of 1698 and 1692 is associative
LCM of 1692 and 1698 = LCM of 1698 and 1692
1. What is the LCM of 1692 and 1698?
Answer: LCM of 1692 and 1698 is 478836.
2. What are the Factors of 1692?
Answer: Factors of 1692 are 1, 2, 3, 4, 6, 9, 12, 18, 36, 47, 94, 141, 188, 282, 423, 564, 846, 1692. There are 18 integers that are factors of 1692. The greatest factor of 1692 is 1692.
3. What are the Factors of 1698?
Answer: Factors of 1698 are 1, 2, 3, 6, 283, 566, 849, 1698. There are 8 integers that are factors of 1698. The greatest factor of 1698 is 1698.
4. How to Find the LCM of 1692 and 1698?
Answer:
Least Common Multiple of 1692 and 1698 = 478836
Step 1: Find the prime factorization of 1692
1692 = 2 x 2 x 3 x 3 x 47
Step 2: Find the prime factorization of 1698
1698 = 2 x 3 x 283
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 478836 = 2 x 2 x 3 x 3 x 47 x 283
Step 4: Therefore, the least common multiple of 1692 and 1698 is 478836.