Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 1125 and 1130 the smallest integer that is 254250 that is divisible by both numbers.
Least Common Multiple (LCM) of 1125 and 1130 is 254250.
LCM(1125,1130) = 254250
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 1125 and 1130. First we will calculate the prime factors of 1125 and 1130.
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
Prime Factorization of 1130
2 | 1130 |
5 | 565 |
113 | 113 |
1 |
Prime factors of 1130 are 2, 5,113. Prime factorization of 1130 in exponential form is:
1130 = 21×51×1131
Now multiplying the highest exponent prime factors to calculate the LCM of 1125 and 1130.
LCM(1125,1130) = 21×32×53×1131
LCM(1125,1130) = 254250
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
Factors of 1130
List of positive integer factors of 1130 that divides 1130 without a remainder.
1, 2, 5, 10, 113, 226, 565, 1130
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1125 and 1130, than apply into the LCM equation.
GCF(1125,1130) = 5
LCM(1125,1130) = ( 1125 × 1130) / 5
LCM(1125,1130) = 1271250 / 5
LCM(1125,1130) = 254250
(i) The LCM of 1130 and 1125 is associative
LCM of 1125 and 1130 = LCM of 1130 and 1125
1. What is the LCM of 1125 and 1130?
Answer: LCM of 1125 and 1130 is 254250.
2. 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.
3. What are the Factors of 1130?
Answer: Factors of 1130 are 1, 2, 5, 10, 113, 226, 565, 1130. There are 8 integers that are factors of 1130. The greatest factor of 1130 is 1130.
4. How to Find the LCM of 1125 and 1130?
Answer:
Least Common Multiple of 1125 and 1130 = 254250
Step 1: Find the prime factorization of 1125
1125 = 3 x 3 x 5 x 5 x 5
Step 2: Find the prime factorization of 1130
1130 = 2 x 5 x 113
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 254250 = 2 x 3 x 3 x 5 x 5 x 5 x 113
Step 4: Therefore, the least common multiple of 1125 and 1130 is 254250.