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 1777 the smallest integer that is 3145290 that is divisible by both numbers.
Least Common Multiple (LCM) of 1770 and 1777 is 3145290.
LCM(1770,1777) = 3145290
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 1777. First we will calculate the prime factors of 1770 and 1777.
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 1777
1777 | 1777 |
1 |
Prime factors of 1777 are 1777. Prime factorization of 1777 in exponential form is:
1777 = 17771
Now multiplying the highest exponent prime factors to calculate the LCM of 1770 and 1777.
LCM(1770,1777) = 21×31×51×591×17771
LCM(1770,1777) = 3145290
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 1777
List of positive integer factors of 1777 that divides 1777 without a remainder.
1, 1777
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1770 and 1777, than apply into the LCM equation.
GCF(1770,1777) = 1
LCM(1770,1777) = ( 1770 × 1777) / 1
LCM(1770,1777) = 3145290 / 1
LCM(1770,1777) = 3145290
(i) The LCM of 1777 and 1770 is associative
LCM of 1770 and 1777 = LCM of 1777 and 1770
1. What is the LCM of 1770 and 1777?
Answer: LCM of 1770 and 1777 is 3145290.
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 1777?
Answer: Factors of 1777 are 1, 1777. There are 2 integers that are factors of 1777. The greatest factor of 1777 is 1777.
4. How to Find the LCM of 1770 and 1777?
Answer:
Least Common Multiple of 1770 and 1777 = 3145290
Step 1: Find the prime factorization of 1770
1770 = 2 x 3 x 5 x 59
Step 2: Find the prime factorization of 1777
1777 = 1777
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 3145290 = 2 x 3 x 5 x 59 x 1777
Step 4: Therefore, the least common multiple of 1770 and 1777 is 3145290.