Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 1722 and 1724 the smallest integer that is 1484364 that is divisible by both numbers.
Least Common Multiple (LCM) of 1722 and 1724 is 1484364.
LCM(1722,1724) = 1484364
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 1722 and 1724. First we will calculate the prime factors of 1722 and 1724.
Prime Factorization of 1722
2 | 1722 |
3 | 861 |
7 | 287 |
41 | 41 |
1 |
Prime factors of 1722 are 2, 3, 7,41. Prime factorization of 1722 in exponential form is:
1722 = 21×31×71×411
Prime Factorization of 1724
2 | 1724 |
2 | 862 |
431 | 431 |
1 |
Prime factors of 1724 are 2,431. Prime factorization of 1724 in exponential form is:
1724 = 22×4311
Now multiplying the highest exponent prime factors to calculate the LCM of 1722 and 1724.
LCM(1722,1724) = 22×31×71×411×4311
LCM(1722,1724) = 1484364
Factors of 1722
List of positive integer factors of 1722 that divides 1722 without a remainder.
1, 2, 3, 6, 7, 14, 21, 41, 42, 82, 123, 246, 287, 574, 861, 1722
Factors of 1724
List of positive integer factors of 1724 that divides 1724 without a remainder.
1, 2, 4, 431, 862, 1724
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1722 and 1724, than apply into the LCM equation.
GCF(1722,1724) = 2
LCM(1722,1724) = ( 1722 × 1724) / 2
LCM(1722,1724) = 2968728 / 2
LCM(1722,1724) = 1484364
(i) The LCM of 1724 and 1722 is associative
LCM of 1722 and 1724 = LCM of 1724 and 1722
1. What is the LCM of 1722 and 1724?
Answer: LCM of 1722 and 1724 is 1484364.
2. What are the Factors of 1722?
Answer: Factors of 1722 are 1, 2, 3, 6, 7, 14, 21, 41, 42, 82, 123, 246, 287, 574, 861, 1722. There are 16 integers that are factors of 1722. The greatest factor of 1722 is 1722.
3. What are the Factors of 1724?
Answer: Factors of 1724 are 1, 2, 4, 431, 862, 1724. There are 6 integers that are factors of 1724. The greatest factor of 1724 is 1724.
4. How to Find the LCM of 1722 and 1724?
Answer:
Least Common Multiple of 1722 and 1724 = 1484364
Step 1: Find the prime factorization of 1722
1722 = 2 x 3 x 7 x 41
Step 2: Find the prime factorization of 1724
1724 = 2 x 2 x 431
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 1484364 = 2 x 2 x 3 x 7 x 41 x 431
Step 4: Therefore, the least common multiple of 1722 and 1724 is 1484364.