Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 1207 and 1210 the smallest integer that is 1460470 that is divisible by both numbers.
Least Common Multiple (LCM) of 1207 and 1210 is 1460470.
LCM(1207,1210) = 1460470
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 1207 and 1210. First we will calculate the prime factors of 1207 and 1210.
Prime Factorization of 1207
17 | 1207 |
71 | 71 |
1 |
Prime factors of 1207 are 17,71. Prime factorization of 1207 in exponential form is:
1207 = 171×711
Prime Factorization of 1210
2 | 1210 |
5 | 605 |
11 | 121 |
11 | 11 |
1 |
Prime factors of 1210 are 2, 5,11. Prime factorization of 1210 in exponential form is:
1210 = 21×51×112
Now multiplying the highest exponent prime factors to calculate the LCM of 1207 and 1210.
LCM(1207,1210) = 21×51×112×171×711
LCM(1207,1210) = 1460470
Factors of 1207
List of positive integer factors of 1207 that divides 1207 without a remainder.
1, 17, 71, 1207
Factors of 1210
List of positive integer factors of 1210 that divides 1210 without a remainder.
1, 2, 5, 10, 11, 22, 55, 110, 121, 242, 605, 1210
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1207 and 1210, than apply into the LCM equation.
GCF(1207,1210) = 1
LCM(1207,1210) = ( 1207 × 1210) / 1
LCM(1207,1210) = 1460470 / 1
LCM(1207,1210) = 1460470
(i) The LCM of 1210 and 1207 is associative
LCM of 1207 and 1210 = LCM of 1210 and 1207
1. What is the LCM of 1207 and 1210?
Answer: LCM of 1207 and 1210 is 1460470.
2. What are the Factors of 1207?
Answer: Factors of 1207 are 1, 17, 71, 1207. There are 4 integers that are factors of 1207. The greatest factor of 1207 is 1207.
3. What are the Factors of 1210?
Answer: Factors of 1210 are 1, 2, 5, 10, 11, 22, 55, 110, 121, 242, 605, 1210. There are 12 integers that are factors of 1210. The greatest factor of 1210 is 1210.
4. How to Find the LCM of 1207 and 1210?
Answer:
Least Common Multiple of 1207 and 1210 = 1460470
Step 1: Find the prime factorization of 1207
1207 = 17 x 71
Step 2: Find the prime factorization of 1210
1210 = 2 x 5 x 11 x 11
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 1460470 = 2 x 5 x 11 x 11 x 17 x 71
Step 4: Therefore, the least common multiple of 1207 and 1210 is 1460470.