Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 1773 and 1778 the smallest integer that is 3152394 that is divisible by both numbers.
Least Common Multiple (LCM) of 1773 and 1778 is 3152394.
LCM(1773,1778) = 3152394
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 1773 and 1778. First we will calculate the prime factors of 1773 and 1778.
Prime Factorization of 1773
3 | 1773 |
3 | 591 |
197 | 197 |
1 |
Prime factors of 1773 are 3,197. Prime factorization of 1773 in exponential form is:
1773 = 32×1971
Prime Factorization of 1778
2 | 1778 |
7 | 889 |
127 | 127 |
1 |
Prime factors of 1778 are 2, 7,127. Prime factorization of 1778 in exponential form is:
1778 = 21×71×1271
Now multiplying the highest exponent prime factors to calculate the LCM of 1773 and 1778.
LCM(1773,1778) = 21×32×71×1271×1971
LCM(1773,1778) = 3152394
Factors of 1773
List of positive integer factors of 1773 that divides 1773 without a remainder.
1, 3, 9, 197, 591, 1773
Factors of 1778
List of positive integer factors of 1778 that divides 1778 without a remainder.
1, 2, 7, 14, 127, 254, 889, 1778
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1773 and 1778, than apply into the LCM equation.
GCF(1773,1778) = 1
LCM(1773,1778) = ( 1773 × 1778) / 1
LCM(1773,1778) = 3152394 / 1
LCM(1773,1778) = 3152394
(i) The LCM of 1778 and 1773 is associative
LCM of 1773 and 1778 = LCM of 1778 and 1773
1. What is the LCM of 1773 and 1778?
Answer: LCM of 1773 and 1778 is 3152394.
2. What are the Factors of 1773?
Answer: Factors of 1773 are 1, 3, 9, 197, 591, 1773. There are 6 integers that are factors of 1773. The greatest factor of 1773 is 1773.
3. What are the Factors of 1778?
Answer: Factors of 1778 are 1, 2, 7, 14, 127, 254, 889, 1778. There are 8 integers that are factors of 1778. The greatest factor of 1778 is 1778.
4. How to Find the LCM of 1773 and 1778?
Answer:
Least Common Multiple of 1773 and 1778 = 3152394
Step 1: Find the prime factorization of 1773
1773 = 3 x 3 x 197
Step 2: Find the prime factorization of 1778
1778 = 2 x 7 x 127
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 3152394 = 2 x 3 x 3 x 7 x 127 x 197
Step 4: Therefore, the least common multiple of 1773 and 1778 is 3152394.