Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 8449 and 8456 the smallest integer that is 10206392 that is divisible by both numbers.
Least Common Multiple (LCM) of 8449 and 8456 is 10206392.
LCM(8449,8456) = 10206392
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 8449 and 8456. First we will calculate the prime factors of 8449 and 8456.
Prime Factorization of 8449
7 | 8449 |
17 | 1207 |
71 | 71 |
1 |
Prime factors of 8449 are 7, 17,71. Prime factorization of 8449 in exponential form is:
8449 = 71×171×711
Prime Factorization of 8456
2 | 8456 |
2 | 4228 |
2 | 2114 |
7 | 1057 |
151 | 151 |
1 |
Prime factors of 8456 are 2, 7,151. Prime factorization of 8456 in exponential form is:
8456 = 23×71×1511
Now multiplying the highest exponent prime factors to calculate the LCM of 8449 and 8456.
LCM(8449,8456) = 23×71×171×711×1511
LCM(8449,8456) = 10206392
Factors of 8449
List of positive integer factors of 8449 that divides 8449 without a remainder.
1, 7, 17, 71, 119, 497, 1207, 8449
Factors of 8456
List of positive integer factors of 8456 that divides 8456 without a remainder.
1, 2, 4, 7, 8, 14, 28, 56, 151, 302, 604, 1057, 1208, 2114, 4228, 8456
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 8449 and 8456, than apply into the LCM equation.
GCF(8449,8456) = 7
LCM(8449,8456) = ( 8449 × 8456) / 7
LCM(8449,8456) = 71444744 / 7
LCM(8449,8456) = 10206392
(i) The LCM of 8456 and 8449 is associative
LCM of 8449 and 8456 = LCM of 8456 and 8449
1. What is the LCM of 8449 and 8456?
Answer: LCM of 8449 and 8456 is 10206392.
2. What are the Factors of 8449?
Answer: Factors of 8449 are 1, 7, 17, 71, 119, 497, 1207, 8449. There are 8 integers that are factors of 8449. The greatest factor of 8449 is 8449.
3. What are the Factors of 8456?
Answer: Factors of 8456 are 1, 2, 4, 7, 8, 14, 28, 56, 151, 302, 604, 1057, 1208, 2114, 4228, 8456. There are 16 integers that are factors of 8456. The greatest factor of 8456 is 8456.
4. How to Find the LCM of 8449 and 8456?
Answer:
Least Common Multiple of 8449 and 8456 = 10206392
Step 1: Find the prime factorization of 8449
8449 = 7 x 17 x 71
Step 2: Find the prime factorization of 8456
8456 = 2 x 2 x 2 x 7 x 151
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 10206392 = 2 x 2 x 2 x 7 x 17 x 71 x 151
Step 4: Therefore, the least common multiple of 8449 and 8456 is 10206392.