Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 1028 and 1030 the smallest integer that is 529420 that is divisible by both numbers.
Least Common Multiple (LCM) of 1028 and 1030 is 529420.
LCM(1028,1030) = 529420
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 1028 and 1030. First we will calculate the prime factors of 1028 and 1030.
Prime Factorization of 1028
2 | 1028 |
2 | 514 |
257 | 257 |
1 |
Prime factors of 1028 are 2,257. Prime factorization of 1028 in exponential form is:
1028 = 22×2571
Prime Factorization of 1030
2 | 1030 |
5 | 515 |
103 | 103 |
1 |
Prime factors of 1030 are 2, 5,103. Prime factorization of 1030 in exponential form is:
1030 = 21×51×1031
Now multiplying the highest exponent prime factors to calculate the LCM of 1028 and 1030.
LCM(1028,1030) = 22×51×1031×2571
LCM(1028,1030) = 529420
Factors of 1028
List of positive integer factors of 1028 that divides 1028 without a remainder.
1, 2, 4, 257, 514, 1028
Factors of 1030
List of positive integer factors of 1030 that divides 1030 without a remainder.
1, 2, 5, 10, 103, 206, 515, 1030
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1028 and 1030, than apply into the LCM equation.
GCF(1028,1030) = 2
LCM(1028,1030) = ( 1028 × 1030) / 2
LCM(1028,1030) = 1058840 / 2
LCM(1028,1030) = 529420
(i) The LCM of 1030 and 1028 is associative
LCM of 1028 and 1030 = LCM of 1030 and 1028
1. What is the LCM of 1028 and 1030?
Answer: LCM of 1028 and 1030 is 529420.
2. What are the Factors of 1028?
Answer: Factors of 1028 are 1, 2, 4, 257, 514, 1028. There are 6 integers that are factors of 1028. The greatest factor of 1028 is 1028.
3. What are the Factors of 1030?
Answer: Factors of 1030 are 1, 2, 5, 10, 103, 206, 515, 1030. There are 8 integers that are factors of 1030. The greatest factor of 1030 is 1030.
4. How to Find the LCM of 1028 and 1030?
Answer:
Least Common Multiple of 1028 and 1030 = 529420
Step 1: Find the prime factorization of 1028
1028 = 2 x 2 x 257
Step 2: Find the prime factorization of 1030
1030 = 2 x 5 x 103
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 529420 = 2 x 2 x 5 x 103 x 257
Step 4: Therefore, the least common multiple of 1028 and 1030 is 529420.