Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 1757 and 1764 the smallest integer that is 442764 that is divisible by both numbers.
Least Common Multiple (LCM) of 1757 and 1764 is 442764.
LCM(1757,1764) = 442764
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 1757 and 1764. First we will calculate the prime factors of 1757 and 1764.
Prime Factorization of 1757
7 | 1757 |
251 | 251 |
1 |
Prime factors of 1757 are 7,251. Prime factorization of 1757 in exponential form is:
1757 = 71×2511
Prime Factorization of 1764
2 | 1764 |
2 | 882 |
3 | 441 |
3 | 147 |
7 | 49 |
7 | 7 |
1 |
Prime factors of 1764 are 2, 3,7. Prime factorization of 1764 in exponential form is:
1764 = 22×32×72
Now multiplying the highest exponent prime factors to calculate the LCM of 1757 and 1764.
LCM(1757,1764) = 22×32×72×2511
LCM(1757,1764) = 442764
Factors of 1757
List of positive integer factors of 1757 that divides 1757 without a remainder.
1, 7, 251, 1757
Factors of 1764
List of positive integer factors of 1764 that divides 1764 without a remainder.
1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 63, 84, 98, 126, 147, 196, 252, 294, 441, 588, 882, 1764
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1757 and 1764, than apply into the LCM equation.
GCF(1757,1764) = 7
LCM(1757,1764) = ( 1757 × 1764) / 7
LCM(1757,1764) = 3099348 / 7
LCM(1757,1764) = 442764
(i) The LCM of 1764 and 1757 is associative
LCM of 1757 and 1764 = LCM of 1764 and 1757
1. What is the LCM of 1757 and 1764?
Answer: LCM of 1757 and 1764 is 442764.
2. What are the Factors of 1757?
Answer: Factors of 1757 are 1, 7, 251, 1757. There are 4 integers that are factors of 1757. The greatest factor of 1757 is 1757.
3. What are the Factors of 1764?
Answer: Factors of 1764 are 1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 63, 84, 98, 126, 147, 196, 252, 294, 441, 588, 882, 1764. There are 27 integers that are factors of 1764. The greatest factor of 1764 is 1764.
4. How to Find the LCM of 1757 and 1764?
Answer:
Least Common Multiple of 1757 and 1764 = 442764
Step 1: Find the prime factorization of 1757
1757 = 7 x 251
Step 2: Find the prime factorization of 1764
1764 = 2 x 2 x 3 x 3 x 7 x 7
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 442764 = 2 x 2 x 3 x 3 x 7 x 7 x 251
Step 4: Therefore, the least common multiple of 1757 and 1764 is 442764.