Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 1445 and 1451 the smallest integer that is 2096695 that is divisible by both numbers.
Least Common Multiple (LCM) of 1445 and 1451 is 2096695.
LCM(1445,1451) = 2096695
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 1445 and 1451. First we will calculate the prime factors of 1445 and 1451.
Prime Factorization of 1445
5 | 1445 |
17 | 289 |
17 | 17 |
1 |
Prime factors of 1445 are 5,17. Prime factorization of 1445 in exponential form is:
1445 = 51×172
Prime Factorization of 1451
1451 | 1451 |
1 |
Prime factors of 1451 are 1451. Prime factorization of 1451 in exponential form is:
1451 = 14511
Now multiplying the highest exponent prime factors to calculate the LCM of 1445 and 1451.
LCM(1445,1451) = 51×172×14511
LCM(1445,1451) = 2096695
Factors of 1445
List of positive integer factors of 1445 that divides 1445 without a remainder.
1, 5, 17, 85, 289, 1445
Factors of 1451
List of positive integer factors of 1451 that divides 1451 without a remainder.
1, 1451
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1445 and 1451, than apply into the LCM equation.
GCF(1445,1451) = 1
LCM(1445,1451) = ( 1445 × 1451) / 1
LCM(1445,1451) = 2096695 / 1
LCM(1445,1451) = 2096695
(i) The LCM of 1451 and 1445 is associative
LCM of 1445 and 1451 = LCM of 1451 and 1445
1. What is the LCM of 1445 and 1451?
Answer: LCM of 1445 and 1451 is 2096695.
2. What are the Factors of 1445?
Answer: Factors of 1445 are 1, 5, 17, 85, 289, 1445. There are 6 integers that are factors of 1445. The greatest factor of 1445 is 1445.
3. What are the Factors of 1451?
Answer: Factors of 1451 are 1, 1451. There are 2 integers that are factors of 1451. The greatest factor of 1451 is 1451.
4. How to Find the LCM of 1445 and 1451?
Answer:
Least Common Multiple of 1445 and 1451 = 2096695
Step 1: Find the prime factorization of 1445
1445 = 5 x 17 x 17
Step 2: Find the prime factorization of 1451
1451 = 1451
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 2096695 = 5 x 17 x 17 x 1451
Step 4: Therefore, the least common multiple of 1445 and 1451 is 2096695.