Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 1124 and 1125 the smallest integer that is 1264500 that is divisible by both numbers.
Least Common Multiple (LCM) of 1124 and 1125 is 1264500.
LCM(1124,1125) = 1264500
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 1124 and 1125. First we will calculate the prime factors of 1124 and 1125.
Prime Factorization of 1124
2 | 1124 |
2 | 562 |
281 | 281 |
1 |
Prime factors of 1124 are 2,281. Prime factorization of 1124 in exponential form is:
1124 = 22×2811
Prime Factorization of 1125
3 | 1125 |
3 | 375 |
5 | 125 |
5 | 25 |
5 | 5 |
1 |
Prime factors of 1125 are 3,5. Prime factorization of 1125 in exponential form is:
1125 = 32×53
Now multiplying the highest exponent prime factors to calculate the LCM of 1124 and 1125.
LCM(1124,1125) = 22×32×53×2811
LCM(1124,1125) = 1264500
Factors of 1124
List of positive integer factors of 1124 that divides 1124 without a remainder.
1, 2, 4, 281, 562, 1124
Factors of 1125
List of positive integer factors of 1125 that divides 1125 without a remainder.
1, 3, 5, 9, 15, 25, 45, 75, 125, 225, 375, 1125
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1124 and 1125, than apply into the LCM equation.
GCF(1124,1125) = 1
LCM(1124,1125) = ( 1124 × 1125) / 1
LCM(1124,1125) = 1264500 / 1
LCM(1124,1125) = 1264500
(i) The LCM of 1125 and 1124 is associative
LCM of 1124 and 1125 = LCM of 1125 and 1124
1. What is the LCM of 1124 and 1125?
Answer: LCM of 1124 and 1125 is 1264500.
2. What are the Factors of 1124?
Answer: Factors of 1124 are 1, 2, 4, 281, 562, 1124. There are 6 integers that are factors of 1124. The greatest factor of 1124 is 1124.
3. What are the Factors of 1125?
Answer: Factors of 1125 are 1, 3, 5, 9, 15, 25, 45, 75, 125, 225, 375, 1125. There are 12 integers that are factors of 1125. The greatest factor of 1125 is 1125.
4. How to Find the LCM of 1124 and 1125?
Answer:
Least Common Multiple of 1124 and 1125 = 1264500
Step 1: Find the prime factorization of 1124
1124 = 2 x 2 x 281
Step 2: Find the prime factorization of 1125
1125 = 3 x 3 x 5 x 5 x 5
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 1264500 = 2 x 2 x 3 x 3 x 5 x 5 x 5 x 281
Step 4: Therefore, the least common multiple of 1124 and 1125 is 1264500.