Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 453 and 456 the smallest integer that is 68856 that is divisible by both numbers.
Least Common Multiple (LCM) of 453 and 456 is 68856.
LCM(453,456) = 68856
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 453 and 456. First we will calculate the prime factors of 453 and 456.
Prime Factorization of 453
3 | 453 |
151 | 151 |
1 |
Prime factors of 453 are 3,151. Prime factorization of 453 in exponential form is:
453 = 31×1511
Prime Factorization of 456
2 | 456 |
2 | 228 |
2 | 114 |
3 | 57 |
19 | 19 |
1 |
Prime factors of 456 are 2, 3,19. Prime factorization of 456 in exponential form is:
456 = 23×31×191
Now multiplying the highest exponent prime factors to calculate the LCM of 453 and 456.
LCM(453,456) = 23×31×191×1511
LCM(453,456) = 68856
Factors of 453
List of positive integer factors of 453 that divides 453 without a remainder.
1, 3, 151, 453
Factors of 456
List of positive integer factors of 456 that divides 456 without a remainder.
1, 2, 3, 4, 6, 8, 12, 19, 24, 38, 57, 76, 114, 152, 228, 456
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 453 and 456, than apply into the LCM equation.
GCF(453,456) = 3
LCM(453,456) = ( 453 × 456) / 3
LCM(453,456) = 206568 / 3
LCM(453,456) = 68856
(i) The LCM of 456 and 453 is associative
LCM of 453 and 456 = LCM of 456 and 453
1. What is the LCM of 453 and 456?
Answer: LCM of 453 and 456 is 68856.
2. What are the Factors of 453?
Answer: Factors of 453 are 1, 3, 151, 453. There are 4 integers that are factors of 453. The greatest factor of 453 is 453.
3. What are the Factors of 456?
Answer: Factors of 456 are 1, 2, 3, 4, 6, 8, 12, 19, 24, 38, 57, 76, 114, 152, 228, 456. There are 16 integers that are factors of 456. The greatest factor of 456 is 456.
4. How to Find the LCM of 453 and 456?
Answer:
Least Common Multiple of 453 and 456 = 68856
Step 1: Find the prime factorization of 453
453 = 3 x 151
Step 2: Find the prime factorization of 456
456 = 2 x 2 x 2 x 3 x 19
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 68856 = 2 x 2 x 2 x 3 x 19 x 151
Step 4: Therefore, the least common multiple of 453 and 456 is 68856.