Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 1040 and 1048 the smallest integer that is 136240 that is divisible by both numbers.
Least Common Multiple (LCM) of 1040 and 1048 is 136240.
LCM(1040,1048) = 136240
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 1040 and 1048. First we will calculate the prime factors of 1040 and 1048.
Prime Factorization of 1040
2 | 1040 |
2 | 520 |
2 | 260 |
2 | 130 |
5 | 65 |
13 | 13 |
1 |
Prime factors of 1040 are 2, 5,13. Prime factorization of 1040 in exponential form is:
1040 = 24×51×131
Prime Factorization of 1048
2 | 1048 |
2 | 524 |
2 | 262 |
131 | 131 |
1 |
Prime factors of 1048 are 2,131. Prime factorization of 1048 in exponential form is:
1048 = 23×1311
Now multiplying the highest exponent prime factors to calculate the LCM of 1040 and 1048.
LCM(1040,1048) = 24×51×131×1311
LCM(1040,1048) = 136240
Factors of 1040
List of positive integer factors of 1040 that divides 1040 without a remainder.
1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040
Factors of 1048
List of positive integer factors of 1048 that divides 1048 without a remainder.
1, 2, 4, 8, 131, 262, 524, 1048
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1040 and 1048, than apply into the LCM equation.
GCF(1040,1048) = 8
LCM(1040,1048) = ( 1040 × 1048) / 8
LCM(1040,1048) = 1089920 / 8
LCM(1040,1048) = 136240
(i) The LCM of 1048 and 1040 is associative
LCM of 1040 and 1048 = LCM of 1048 and 1040
1. What is the LCM of 1040 and 1048?
Answer: LCM of 1040 and 1048 is 136240.
2. What are the Factors of 1040?
Answer: Factors of 1040 are 1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040. There are 20 integers that are factors of 1040. The greatest factor of 1040 is 1040.
3. What are the Factors of 1048?
Answer: Factors of 1048 are 1, 2, 4, 8, 131, 262, 524, 1048. There are 8 integers that are factors of 1048. The greatest factor of 1048 is 1048.
4. How to Find the LCM of 1040 and 1048?
Answer:
Least Common Multiple of 1040 and 1048 = 136240
Step 1: Find the prime factorization of 1040
1040 = 2 x 2 x 2 x 2 x 5 x 13
Step 2: Find the prime factorization of 1048
1048 = 2 x 2 x 2 x 131
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 136240 = 2 x 2 x 2 x 2 x 5 x 13 x 131
Step 4: Therefore, the least common multiple of 1040 and 1048 is 136240.