Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 17220 and 17224 the smallest integer that is 74149320 that is divisible by both numbers.
Least Common Multiple (LCM) of 17220 and 17224 is 74149320.
LCM(17220,17224) = 74149320
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 17220 and 17224. First we will calculate the prime factors of 17220 and 17224.
Prime Factorization of 17220
2 | 17220 |
2 | 8610 |
3 | 4305 |
5 | 1435 |
7 | 287 |
41 | 41 |
1 |
Prime factors of 17220 are 2, 3, 5, 7,41. Prime factorization of 17220 in exponential form is:
17220 = 22×31×51×71×411
Prime Factorization of 17224
2 | 17224 |
2 | 8612 |
2 | 4306 |
2153 | 2153 |
1 |
Prime factors of 17224 are 2,2153. Prime factorization of 17224 in exponential form is:
17224 = 23×21531
Now multiplying the highest exponent prime factors to calculate the LCM of 17220 and 17224.
LCM(17220,17224) = 23×31×51×71×411×21531
LCM(17220,17224) = 74149320
Factors of 17220
List of positive integer factors of 17220 that divides 17220 without a remainder.
1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 41, 42, 60, 70, 82, 84, 105, 123, 140, 164, 205, 210, 246, 287, 410, 420, 492, 574, 615, 820, 861, 1148, 1230, 1435, 1722, 2460, 2870, 3444, 4305, 5740, 8610, 17220
Factors of 17224
List of positive integer factors of 17224 that divides 17224 without a remainder.
1, 2, 4, 8, 2153, 4306, 8612, 17224
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 17220 and 17224, than apply into the LCM equation.
GCF(17220,17224) = 4
LCM(17220,17224) = ( 17220 × 17224) / 4
LCM(17220,17224) = 296597280 / 4
LCM(17220,17224) = 74149320
(i) The LCM of 17224 and 17220 is associative
LCM of 17220 and 17224 = LCM of 17224 and 17220
1. What is the LCM of 17220 and 17224?
Answer: LCM of 17220 and 17224 is 74149320.
2. What are the Factors of 17220?
Answer: Factors of 17220 are 1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 41, 42, 60, 70, 82, 84, 105, 123, 140, 164, 205, 210, 246, 287, 410, 420, 492, 574, 615, 820, 861, 1148, 1230, 1435, 1722, 2460, 2870, 3444, 4305, 5740, 8610, 17220. There are 48 integers that are factors of 17220. The greatest factor of 17220 is 17220.
3. What are the Factors of 17224?
Answer: Factors of 17224 are 1, 2, 4, 8, 2153, 4306, 8612, 17224. There are 8 integers that are factors of 17224. The greatest factor of 17224 is 17224.
4. How to Find the LCM of 17220 and 17224?
Answer:
Least Common Multiple of 17220 and 17224 = 74149320
Step 1: Find the prime factorization of 17220
17220 = 2 x 2 x 3 x 5 x 7 x 41
Step 2: Find the prime factorization of 17224
17224 = 2 x 2 x 2 x 2153
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 74149320 = 2 x 2 x 2 x 3 x 5 x 7 x 41 x 2153
Step 4: Therefore, the least common multiple of 17220 and 17224 is 74149320.