Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 447 and 448 the smallest integer that is 200256 that is divisible by both numbers.
Least Common Multiple (LCM) of 447 and 448 is 200256.
LCM(447,448) = 200256
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 447 and 448. First we will calculate the prime factors of 447 and 448.
Prime Factorization of 447
3 | 447 |
149 | 149 |
1 |
Prime factors of 447 are 3,149. Prime factorization of 447 in exponential form is:
447 = 31×1491
Prime Factorization of 448
2 | 448 |
2 | 224 |
2 | 112 |
2 | 56 |
2 | 28 |
2 | 14 |
7 | 7 |
1 |
Prime factors of 448 are 2,7. Prime factorization of 448 in exponential form is:
448 = 26×71
Now multiplying the highest exponent prime factors to calculate the LCM of 447 and 448.
LCM(447,448) = 26×31×71×1491
LCM(447,448) = 200256
Factors of 447
List of positive integer factors of 447 that divides 447 without a remainder.
1, 3, 149, 447
Factors of 448
List of positive integer factors of 448 that divides 448 without a remainder.
1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 224, 448
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 447 and 448, than apply into the LCM equation.
GCF(447,448) = 1
LCM(447,448) = ( 447 × 448) / 1
LCM(447,448) = 200256 / 1
LCM(447,448) = 200256
(i) The LCM of 448 and 447 is associative
LCM of 447 and 448 = LCM of 448 and 447
1. What is the LCM of 447 and 448?
Answer: LCM of 447 and 448 is 200256.
2. What are the Factors of 447?
Answer: Factors of 447 are 1, 3, 149, 447. There are 4 integers that are factors of 447. The greatest factor of 447 is 447.
3. What are the Factors of 448?
Answer: Factors of 448 are 1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 224, 448. There are 14 integers that are factors of 448. The greatest factor of 448 is 448.
4. How to Find the LCM of 447 and 448?
Answer:
Least Common Multiple of 447 and 448 = 200256
Step 1: Find the prime factorization of 447
447 = 3 x 149
Step 2: Find the prime factorization of 448
448 = 2 x 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 = 200256 = 2 x 2 x 2 x 2 x 2 x 2 x 3 x 7 x 149
Step 4: Therefore, the least common multiple of 447 and 448 is 200256.