Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 4720 and 4725 the smallest integer that is 4460400 that is divisible by both numbers.
Least Common Multiple (LCM) of 4720 and 4725 is 4460400.
LCM(4720,4725) = 4460400
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 4720 and 4725. First we will calculate the prime factors of 4720 and 4725.
Prime Factorization of 4720
2 | 4720 |
2 | 2360 |
2 | 1180 |
2 | 590 |
5 | 295 |
59 | 59 |
1 |
Prime factors of 4720 are 2, 5,59. Prime factorization of 4720 in exponential form is:
4720 = 24×51×591
Prime Factorization of 4725
3 | 4725 |
3 | 1575 |
3 | 525 |
5 | 175 |
5 | 35 |
7 | 7 |
1 |
Prime factors of 4725 are 3, 5,7. Prime factorization of 4725 in exponential form is:
4725 = 33×52×71
Now multiplying the highest exponent prime factors to calculate the LCM of 4720 and 4725.
LCM(4720,4725) = 24×33×52×71×591
LCM(4720,4725) = 4460400
Factors of 4720
List of positive integer factors of 4720 that divides 4720 without a remainder.
1, 2, 4, 5, 8, 10, 16, 20, 40, 59, 80, 118, 236, 295, 472, 590, 944, 1180, 2360, 4720
Factors of 4725
List of positive integer factors of 4725 that divides 4725 without a remainder.
1, 3, 5, 7, 9, 15, 21, 25, 27, 35, 45, 63, 75, 105, 135, 175, 189, 225, 315, 525, 675, 945, 1575, 4725
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 4720 and 4725, than apply into the LCM equation.
GCF(4720,4725) = 5
LCM(4720,4725) = ( 4720 × 4725) / 5
LCM(4720,4725) = 22302000 / 5
LCM(4720,4725) = 4460400
(i) The LCM of 4725 and 4720 is associative
LCM of 4720 and 4725 = LCM of 4725 and 4720
1. What is the LCM of 4720 and 4725?
Answer: LCM of 4720 and 4725 is 4460400.
2. What are the Factors of 4720?
Answer: Factors of 4720 are 1, 2, 4, 5, 8, 10, 16, 20, 40, 59, 80, 118, 236, 295, 472, 590, 944, 1180, 2360, 4720. There are 20 integers that are factors of 4720. The greatest factor of 4720 is 4720.
3. What are the Factors of 4725?
Answer: Factors of 4725 are 1, 3, 5, 7, 9, 15, 21, 25, 27, 35, 45, 63, 75, 105, 135, 175, 189, 225, 315, 525, 675, 945, 1575, 4725. There are 24 integers that are factors of 4725. The greatest factor of 4725 is 4725.
4. How to Find the LCM of 4720 and 4725?
Answer:
Least Common Multiple of 4720 and 4725 = 4460400
Step 1: Find the prime factorization of 4720
4720 = 2 x 2 x 2 x 2 x 5 x 59
Step 2: Find the prime factorization of 4725
4725 = 3 x 3 x 3 x 5 x 5 x 7
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 4460400 = 2 x 2 x 2 x 2 x 3 x 3 x 3 x 5 x 5 x 7 x 59
Step 4: Therefore, the least common multiple of 4720 and 4725 is 4460400.