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 1448 the smallest integer that is 2092360 that is divisible by both numbers.
Least Common Multiple (LCM) of 1445 and 1448 is 2092360.
LCM(1445,1448) = 2092360
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 1448. First we will calculate the prime factors of 1445 and 1448.
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 1448
2 | 1448 |
2 | 724 |
2 | 362 |
181 | 181 |
1 |
Prime factors of 1448 are 2,181. Prime factorization of 1448 in exponential form is:
1448 = 23×1811
Now multiplying the highest exponent prime factors to calculate the LCM of 1445 and 1448.
LCM(1445,1448) = 23×51×172×1811
LCM(1445,1448) = 2092360
Factors of 1445
List of positive integer factors of 1445 that divides 1445 without a remainder.
1, 5, 17, 85, 289, 1445
Factors of 1448
List of positive integer factors of 1448 that divides 1448 without a remainder.
1, 2, 4, 8, 181, 362, 724, 1448
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1445 and 1448, than apply into the LCM equation.
GCF(1445,1448) = 1
LCM(1445,1448) = ( 1445 × 1448) / 1
LCM(1445,1448) = 2092360 / 1
LCM(1445,1448) = 2092360
(i) The LCM of 1448 and 1445 is associative
LCM of 1445 and 1448 = LCM of 1448 and 1445
1. What is the LCM of 1445 and 1448?
Answer: LCM of 1445 and 1448 is 2092360.
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 1448?
Answer: Factors of 1448 are 1, 2, 4, 8, 181, 362, 724, 1448. There are 8 integers that are factors of 1448. The greatest factor of 1448 is 1448.
4. How to Find the LCM of 1445 and 1448?
Answer:
Least Common Multiple of 1445 and 1448 = 2092360
Step 1: Find the prime factorization of 1445
1445 = 5 x 17 x 17
Step 2: Find the prime factorization of 1448
1448 = 2 x 2 x 2 x 181
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 2092360 = 2 x 2 x 2 x 5 x 17 x 17 x 181
Step 4: Therefore, the least common multiple of 1445 and 1448 is 2092360.