Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 1770 and 1776 the smallest integer that is 523920 that is divisible by both numbers.
Least Common Multiple (LCM) of 1770 and 1776 is 523920.
LCM(1770,1776) = 523920
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 1770 and 1776. First we will calculate the prime factors of 1770 and 1776.
Prime Factorization of 1770
2 | 1770 |
3 | 885 |
5 | 295 |
59 | 59 |
1 |
Prime factors of 1770 are 2, 3, 5,59. Prime factorization of 1770 in exponential form is:
1770 = 21×31×51×591
Prime Factorization of 1776
2 | 1776 |
2 | 888 |
2 | 444 |
2 | 222 |
3 | 111 |
37 | 37 |
1 |
Prime factors of 1776 are 2, 3,37. Prime factorization of 1776 in exponential form is:
1776 = 24×31×371
Now multiplying the highest exponent prime factors to calculate the LCM of 1770 and 1776.
LCM(1770,1776) = 24×31×51×371×591
LCM(1770,1776) = 523920
Factors of 1770
List of positive integer factors of 1770 that divides 1770 without a remainder.
1, 2, 3, 5, 6, 10, 15, 30, 59, 118, 177, 295, 354, 590, 885, 1770
Factors of 1776
List of positive integer factors of 1776 that divides 1776 without a remainder.
1, 2, 3, 4, 6, 8, 12, 16, 24, 37, 48, 74, 111, 148, 222, 296, 444, 592, 888, 1776
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1770 and 1776, than apply into the LCM equation.
GCF(1770,1776) = 6
LCM(1770,1776) = ( 1770 × 1776) / 6
LCM(1770,1776) = 3143520 / 6
LCM(1770,1776) = 523920
(i) The LCM of 1776 and 1770 is associative
LCM of 1770 and 1776 = LCM of 1776 and 1770
1. What is the LCM of 1770 and 1776?
Answer: LCM of 1770 and 1776 is 523920.
2. What are the Factors of 1770?
Answer: Factors of 1770 are 1, 2, 3, 5, 6, 10, 15, 30, 59, 118, 177, 295, 354, 590, 885, 1770. There are 16 integers that are factors of 1770. The greatest factor of 1770 is 1770.
3. What are the Factors of 1776?
Answer: Factors of 1776 are 1, 2, 3, 4, 6, 8, 12, 16, 24, 37, 48, 74, 111, 148, 222, 296, 444, 592, 888, 1776. There are 20 integers that are factors of 1776. The greatest factor of 1776 is 1776.
4. How to Find the LCM of 1770 and 1776?
Answer:
Least Common Multiple of 1770 and 1776 = 523920
Step 1: Find the prime factorization of 1770
1770 = 2 x 3 x 5 x 59
Step 2: Find the prime factorization of 1776
1776 = 2 x 2 x 2 x 2 x 3 x 37
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 523920 = 2 x 2 x 2 x 2 x 3 x 5 x 37 x 59
Step 4: Therefore, the least common multiple of 1770 and 1776 is 523920.