Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 2470 and 2475 the smallest integer that is 1222650 that is divisible by both numbers.
Least Common Multiple (LCM) of 2470 and 2475 is 1222650.
LCM(2470,2475) = 1222650
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 2470 and 2475. First we will calculate the prime factors of 2470 and 2475.
Prime Factorization of 2470
2 | 2470 |
5 | 1235 |
13 | 247 |
19 | 19 |
1 |
Prime factors of 2470 are 2, 5, 13,19. Prime factorization of 2470 in exponential form is:
2470 = 21×51×131×191
Prime Factorization of 2475
3 | 2475 |
3 | 825 |
5 | 275 |
5 | 55 |
11 | 11 |
1 |
Prime factors of 2475 are 3, 5,11. Prime factorization of 2475 in exponential form is:
2475 = 32×52×111
Now multiplying the highest exponent prime factors to calculate the LCM of 2470 and 2475.
LCM(2470,2475) = 21×32×52×111×131×191
LCM(2470,2475) = 1222650
Factors of 2470
List of positive integer factors of 2470 that divides 2470 without a remainder.
1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 494, 1235, 2470
Factors of 2475
List of positive integer factors of 2475 that divides 2475 without a remainder.
1, 3, 5, 9, 11, 15, 25, 33, 45, 55, 75, 99, 165, 225, 275, 495, 825, 2475
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 2470 and 2475, than apply into the LCM equation.
GCF(2470,2475) = 5
LCM(2470,2475) = ( 2470 × 2475) / 5
LCM(2470,2475) = 6113250 / 5
LCM(2470,2475) = 1222650
(i) The LCM of 2475 and 2470 is associative
LCM of 2470 and 2475 = LCM of 2475 and 2470
1. What is the LCM of 2470 and 2475?
Answer: LCM of 2470 and 2475 is 1222650.
2. What are the Factors of 2470?
Answer: Factors of 2470 are 1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 494, 1235, 2470. There are 16 integers that are factors of 2470. The greatest factor of 2470 is 2470.
3. What are the Factors of 2475?
Answer: Factors of 2475 are 1, 3, 5, 9, 11, 15, 25, 33, 45, 55, 75, 99, 165, 225, 275, 495, 825, 2475. There are 18 integers that are factors of 2475. The greatest factor of 2475 is 2475.
4. How to Find the LCM of 2470 and 2475?
Answer:
Least Common Multiple of 2470 and 2475 = 1222650
Step 1: Find the prime factorization of 2470
2470 = 2 x 5 x 13 x 19
Step 2: Find the prime factorization of 2475
2475 = 3 x 3 x 5 x 5 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 = 1222650 = 2 x 3 x 3 x 5 x 5 x 11 x 13 x 19
Step 4: Therefore, the least common multiple of 2470 and 2475 is 1222650.