Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 7218 and 7222 the smallest integer that is 26064198 that is divisible by both numbers.
Least Common Multiple (LCM) of 7218 and 7222 is 26064198.
LCM(7218,7222) = 26064198
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 7218 and 7222. First we will calculate the prime factors of 7218 and 7222.
Prime Factorization of 7218
2 | 7218 |
3 | 3609 |
3 | 1203 |
401 | 401 |
1 |
Prime factors of 7218 are 2, 3,401. Prime factorization of 7218 in exponential form is:
7218 = 21×32×4011
Prime Factorization of 7222
2 | 7222 |
23 | 3611 |
157 | 157 |
1 |
Prime factors of 7222 are 2, 23,157. Prime factorization of 7222 in exponential form is:
7222 = 21×231×1571
Now multiplying the highest exponent prime factors to calculate the LCM of 7218 and 7222.
LCM(7218,7222) = 21×32×231×1571×4011
LCM(7218,7222) = 26064198
Factors of 7218
List of positive integer factors of 7218 that divides 7218 without a remainder.
1, 2, 3, 6, 9, 18, 401, 802, 1203, 2406, 3609, 7218
Factors of 7222
List of positive integer factors of 7222 that divides 7222 without a remainder.
1, 2, 23, 46, 157, 314, 3611, 7222
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 7218 and 7222, than apply into the LCM equation.
GCF(7218,7222) = 2
LCM(7218,7222) = ( 7218 × 7222) / 2
LCM(7218,7222) = 52128396 / 2
LCM(7218,7222) = 26064198
(i) The LCM of 7222 and 7218 is associative
LCM of 7218 and 7222 = LCM of 7222 and 7218
1. What is the LCM of 7218 and 7222?
Answer: LCM of 7218 and 7222 is 26064198.
2. What are the Factors of 7218?
Answer: Factors of 7218 are 1, 2, 3, 6, 9, 18, 401, 802, 1203, 2406, 3609, 7218. There are 12 integers that are factors of 7218. The greatest factor of 7218 is 7218.
3. What are the Factors of 7222?
Answer: Factors of 7222 are 1, 2, 23, 46, 157, 314, 3611, 7222. There are 8 integers that are factors of 7222. The greatest factor of 7222 is 7222.
4. How to Find the LCM of 7218 and 7222?
Answer:
Least Common Multiple of 7218 and 7222 = 26064198
Step 1: Find the prime factorization of 7218
7218 = 2 x 3 x 3 x 401
Step 2: Find the prime factorization of 7222
7222 = 2 x 23 x 157
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 26064198 = 2 x 3 x 3 x 23 x 157 x 401
Step 4: Therefore, the least common multiple of 7218 and 7222 is 26064198.