Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 1456 and 1460 the smallest integer that is 531440 that is divisible by both numbers.
Least Common Multiple (LCM) of 1456 and 1460 is 531440.
LCM(1456,1460) = 531440
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 1456 and 1460. First we will calculate the prime factors of 1456 and 1460.
Prime Factorization of 1456
2 | 1456 |
2 | 728 |
2 | 364 |
2 | 182 |
7 | 91 |
13 | 13 |
1 |
Prime factors of 1456 are 2, 7,13. Prime factorization of 1456 in exponential form is:
1456 = 24×71×131
Prime Factorization of 1460
2 | 1460 |
2 | 730 |
5 | 365 |
73 | 73 |
1 |
Prime factors of 1460 are 2, 5,73. Prime factorization of 1460 in exponential form is:
1460 = 22×51×731
Now multiplying the highest exponent prime factors to calculate the LCM of 1456 and 1460.
LCM(1456,1460) = 24×51×71×131×731
LCM(1456,1460) = 531440
Factors of 1456
List of positive integer factors of 1456 that divides 1456 without a remainder.
1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456
Factors of 1460
List of positive integer factors of 1460 that divides 1460 without a remainder.
1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1456 and 1460, than apply into the LCM equation.
GCF(1456,1460) = 4
LCM(1456,1460) = ( 1456 × 1460) / 4
LCM(1456,1460) = 2125760 / 4
LCM(1456,1460) = 531440
(i) The LCM of 1460 and 1456 is associative
LCM of 1456 and 1460 = LCM of 1460 and 1456
1. What is the LCM of 1456 and 1460?
Answer: LCM of 1456 and 1460 is 531440.
2. What are the Factors of 1456?
Answer: Factors of 1456 are 1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456. There are 20 integers that are factors of 1456. The greatest factor of 1456 is 1456.
3. What are the Factors of 1460?
Answer: Factors of 1460 are 1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460. There are 12 integers that are factors of 1460. The greatest factor of 1460 is 1460.
4. How to Find the LCM of 1456 and 1460?
Answer:
Least Common Multiple of 1456 and 1460 = 531440
Step 1: Find the prime factorization of 1456
1456 = 2 x 2 x 2 x 2 x 7 x 13
Step 2: Find the prime factorization of 1460
1460 = 2 x 2 x 5 x 73
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 531440 = 2 x 2 x 2 x 2 x 5 x 7 x 13 x 73
Step 4: Therefore, the least common multiple of 1456 and 1460 is 531440.