Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 7200 and 7208 the smallest integer that is 6487200 that is divisible by both numbers.
Least Common Multiple (LCM) of 7200 and 7208 is 6487200.
LCM(7200,7208) = 6487200
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 7200 and 7208. First we will calculate the prime factors of 7200 and 7208.
Prime Factorization of 7200
2 | 7200 |
2 | 3600 |
2 | 1800 |
2 | 900 |
2 | 450 |
3 | 225 |
3 | 75 |
5 | 25 |
5 | 5 |
1 |
Prime factors of 7200 are 2, 3,5. Prime factorization of 7200 in exponential form is:
7200 = 25×32×52
Prime Factorization of 7208
2 | 7208 |
2 | 3604 |
2 | 1802 |
17 | 901 |
53 | 53 |
1 |
Prime factors of 7208 are 2, 17,53. Prime factorization of 7208 in exponential form is:
7208 = 23×171×531
Now multiplying the highest exponent prime factors to calculate the LCM of 7200 and 7208.
LCM(7200,7208) = 25×32×52×171×531
LCM(7200,7208) = 6487200
Factors of 7200
List of positive integer factors of 7200 that divides 7200 without a remainder.
1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 32, 36, 40, 45, 48, 50, 60, 72, 75, 80, 90, 96, 100, 120, 144, 150, 160, 180, 200, 225, 240, 288, 300, 360, 400, 450, 480, 600, 720, 800, 900, 1200, 1440, 1800, 2400, 3600, 7200
Factors of 7208
List of positive integer factors of 7208 that divides 7208 without a remainder.
1, 2, 4, 8, 17, 34, 53, 68, 106, 136, 212, 424, 901, 1802, 3604, 7208
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 7200 and 7208, than apply into the LCM equation.
GCF(7200,7208) = 8
LCM(7200,7208) = ( 7200 × 7208) / 8
LCM(7200,7208) = 51897600 / 8
LCM(7200,7208) = 6487200
(i) The LCM of 7208 and 7200 is associative
LCM of 7200 and 7208 = LCM of 7208 and 7200
1. What is the LCM of 7200 and 7208?
Answer: LCM of 7200 and 7208 is 6487200.
2. What are the Factors of 7200?
Answer: Factors of 7200 are 1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 32, 36, 40, 45, 48, 50, 60, 72, 75, 80, 90, 96, 100, 120, 144, 150, 160, 180, 200, 225, 240, 288, 300, 360, 400, 450, 480, 600, 720, 800, 900, 1200, 1440, 1800, 2400, 3600, 7200. There are 54 integers that are factors of 7200. The greatest factor of 7200 is 7200.
3. What are the Factors of 7208?
Answer: Factors of 7208 are 1, 2, 4, 8, 17, 34, 53, 68, 106, 136, 212, 424, 901, 1802, 3604, 7208. There are 16 integers that are factors of 7208. The greatest factor of 7208 is 7208.
4. How to Find the LCM of 7200 and 7208?
Answer:
Least Common Multiple of 7200 and 7208 = 6487200
Step 1: Find the prime factorization of 7200
7200 = 2 x 2 x 2 x 2 x 2 x 3 x 3 x 5 x 5
Step 2: Find the prime factorization of 7208
7208 = 2 x 2 x 2 x 17 x 53
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 6487200 = 2 x 2 x 2 x 2 x 2 x 3 x 3 x 5 x 5 x 17 x 53
Step 4: Therefore, the least common multiple of 7200 and 7208 is 6487200.