Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 897 and 904 the smallest integer that is 810888 that is divisible by both numbers.
Least Common Multiple (LCM) of 897 and 904 is 810888.
LCM(897,904) = 810888
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 897 and 904. First we will calculate the prime factors of 897 and 904.
Prime Factorization of 897
3 | 897 |
13 | 299 |
23 | 23 |
1 |
Prime factors of 897 are 3, 13,23. Prime factorization of 897 in exponential form is:
897 = 31×131×231
Prime Factorization of 904
2 | 904 |
2 | 452 |
2 | 226 |
113 | 113 |
1 |
Prime factors of 904 are 2,113. Prime factorization of 904 in exponential form is:
904 = 23×1131
Now multiplying the highest exponent prime factors to calculate the LCM of 897 and 904.
LCM(897,904) = 23×31×131×231×1131
LCM(897,904) = 810888
Factors of 897
List of positive integer factors of 897 that divides 897 without a remainder.
1, 3, 13, 23, 39, 69, 299, 897
Factors of 904
List of positive integer factors of 904 that divides 904 without a remainder.
1, 2, 4, 8, 113, 226, 452, 904
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 897 and 904, than apply into the LCM equation.
GCF(897,904) = 1
LCM(897,904) = ( 897 × 904) / 1
LCM(897,904) = 810888 / 1
LCM(897,904) = 810888
(i) The LCM of 904 and 897 is associative
LCM of 897 and 904 = LCM of 904 and 897
1. What is the LCM of 897 and 904?
Answer: LCM of 897 and 904 is 810888.
2. What are the Factors of 897?
Answer: Factors of 897 are 1, 3, 13, 23, 39, 69, 299, 897. There are 8 integers that are factors of 897. The greatest factor of 897 is 897.
3. What are the Factors of 904?
Answer: Factors of 904 are 1, 2, 4, 8, 113, 226, 452, 904. There are 8 integers that are factors of 904. The greatest factor of 904 is 904.
4. How to Find the LCM of 897 and 904?
Answer:
Least Common Multiple of 897 and 904 = 810888
Step 1: Find the prime factorization of 897
897 = 3 x 13 x 23
Step 2: Find the prime factorization of 904
904 = 2 x 2 x 2 x 113
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 810888 = 2 x 2 x 2 x 3 x 13 x 23 x 113
Step 4: Therefore, the least common multiple of 897 and 904 is 810888.