Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 222 and 224 the smallest integer that is 24864 that is divisible by both numbers.
Least Common Multiple (LCM) of 222 and 224 is 24864.
LCM(222,224) = 24864
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 222 and 224. First we will calculate the prime factors of 222 and 224.
Prime Factorization of 222
2 | 222 |
3 | 111 |
37 | 37 |
1 |
Prime factors of 222 are 2, 3,37. Prime factorization of 222 in exponential form is:
222 = 21×31×371
Prime Factorization of 224
2 | 224 |
2 | 112 |
2 | 56 |
2 | 28 |
2 | 14 |
7 | 7 |
1 |
Prime factors of 224 are 2,7. Prime factorization of 224 in exponential form is:
224 = 25×71
Now multiplying the highest exponent prime factors to calculate the LCM of 222 and 224.
LCM(222,224) = 25×31×71×371
LCM(222,224) = 24864
Factors of 222
List of positive integer factors of 222 that divides 222 without a remainder.
1, 2, 3, 6, 37, 74, 111, 222
Factors of 224
List of positive integer factors of 224 that divides 224 without a remainder.
1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 222 and 224, than apply into the LCM equation.
GCF(222,224) = 2
LCM(222,224) = ( 222 × 224) / 2
LCM(222,224) = 49728 / 2
LCM(222,224) = 24864
(i) The LCM of 224 and 222 is associative
LCM of 222 and 224 = LCM of 224 and 222
1. What is the LCM of 222 and 224?
Answer: LCM of 222 and 224 is 24864.
2. What are the Factors of 222?
Answer: Factors of 222 are 1, 2, 3, 6, 37, 74, 111, 222. There are 8 integers that are factors of 222. The greatest factor of 222 is 222.
3. What are the Factors of 224?
Answer: Factors of 224 are 1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224. There are 12 integers that are factors of 224. The greatest factor of 224 is 224.
4. How to Find the LCM of 222 and 224?
Answer:
Least Common Multiple of 222 and 224 = 24864
Step 1: Find the prime factorization of 222
222 = 2 x 3 x 37
Step 2: Find the prime factorization of 224
224 = 2 x 2 x 2 x 2 x 2 x 7
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 24864 = 2 x 2 x 2 x 2 x 2 x 3 x 7 x 37
Step 4: Therefore, the least common multiple of 222 and 224 is 24864.