Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 89121 and 89129 the smallest integer that is 7943265609 that is divisible by both numbers.
Least Common Multiple (LCM) of 89121 and 89129 is 7943265609.
LCM(89121,89129) = 7943265609
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 89121 and 89129. First we will calculate the prime factors of 89121 and 89129.
Prime Factorization of 89121
3 | 89121 |
61 | 29707 |
487 | 487 |
1 |
Prime factors of 89121 are 3, 61,487. Prime factorization of 89121 in exponential form is:
89121 = 31×611×4871
Prime Factorization of 89129
19 | 89129 |
4691 | 4691 |
1 |
Prime factors of 89129 are 19,4691. Prime factorization of 89129 in exponential form is:
89129 = 191×46911
Now multiplying the highest exponent prime factors to calculate the LCM of 89121 and 89129.
LCM(89121,89129) = 31×191×611×4871×46911
LCM(89121,89129) = 7943265609
Factors of 89121
List of positive integer factors of 89121 that divides 89121 without a remainder.
1, 3, 61, 183, 487, 1461, 29707, 89121
Factors of 89129
List of positive integer factors of 89129 that divides 89129 without a remainder.
1, 19, 4691, 89129
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 89121 and 89129, than apply into the LCM equation.
GCF(89121,89129) = 1
LCM(89121,89129) = ( 89121 × 89129) / 1
LCM(89121,89129) = 7943265609 / 1
LCM(89121,89129) = 7943265609
(i) The LCM of 89129 and 89121 is associative
LCM of 89121 and 89129 = LCM of 89129 and 89121
1. What is the LCM of 89121 and 89129?
Answer: LCM of 89121 and 89129 is 7943265609.
2. What are the Factors of 89121?
Answer: Factors of 89121 are 1, 3, 61, 183, 487, 1461, 29707, 89121. There are 8 integers that are factors of 89121. The greatest factor of 89121 is 89121.
3. What are the Factors of 89129?
Answer: Factors of 89129 are 1, 19, 4691, 89129. There are 4 integers that are factors of 89129. The greatest factor of 89129 is 89129.
4. How to Find the LCM of 89121 and 89129?
Answer:
Least Common Multiple of 89121 and 89129 = 7943265609
Step 1: Find the prime factorization of 89121
89121 = 3 x 61 x 487
Step 2: Find the prime factorization of 89129
89129 = 19 x 4691
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 7943265609 = 3 x 19 x 61 x 487 x 4691
Step 4: Therefore, the least common multiple of 89121 and 89129 is 7943265609.