Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 8970 and 8978 the smallest integer that is 40266330 that is divisible by both numbers.
Least Common Multiple (LCM) of 8970 and 8978 is 40266330.
LCM(8970,8978) = 40266330
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 8970 and 8978. First we will calculate the prime factors of 8970 and 8978.
Prime Factorization of 8970
2 | 8970 |
3 | 4485 |
5 | 1495 |
13 | 299 |
23 | 23 |
1 |
Prime factors of 8970 are 2, 3, 5, 13,23. Prime factorization of 8970 in exponential form is:
8970 = 21×31×51×131×231
Prime Factorization of 8978
2 | 8978 |
67 | 4489 |
67 | 67 |
1 |
Prime factors of 8978 are 2,67. Prime factorization of 8978 in exponential form is:
8978 = 21×672
Now multiplying the highest exponent prime factors to calculate the LCM of 8970 and 8978.
LCM(8970,8978) = 21×31×51×131×231×672
LCM(8970,8978) = 40266330
Factors of 8970
List of positive integer factors of 8970 that divides 8970 without a remainder.
1, 2, 3, 5, 6, 10, 13, 15, 23, 26, 30, 39, 46, 65, 69, 78, 115, 130, 138, 195, 230, 299, 345, 390, 598, 690, 897, 1495, 1794, 2990, 4485, 8970
Factors of 8978
List of positive integer factors of 8978 that divides 8978 without a remainder.
1, 2, 67, 134, 4489, 8978
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 8970 and 8978, than apply into the LCM equation.
GCF(8970,8978) = 2
LCM(8970,8978) = ( 8970 × 8978) / 2
LCM(8970,8978) = 80532660 / 2
LCM(8970,8978) = 40266330
(i) The LCM of 8978 and 8970 is associative
LCM of 8970 and 8978 = LCM of 8978 and 8970
1. What is the LCM of 8970 and 8978?
Answer: LCM of 8970 and 8978 is 40266330.
2. What are the Factors of 8970?
Answer: Factors of 8970 are 1, 2, 3, 5, 6, 10, 13, 15, 23, 26, 30, 39, 46, 65, 69, 78, 115, 130, 138, 195, 230, 299, 345, 390, 598, 690, 897, 1495, 1794, 2990, 4485, 8970. There are 32 integers that are factors of 8970. The greatest factor of 8970 is 8970.
3. What are the Factors of 8978?
Answer: Factors of 8978 are 1, 2, 67, 134, 4489, 8978. There are 6 integers that are factors of 8978. The greatest factor of 8978 is 8978.
4. How to Find the LCM of 8970 and 8978?
Answer:
Least Common Multiple of 8970 and 8978 = 40266330
Step 1: Find the prime factorization of 8970
8970 = 2 x 3 x 5 x 13 x 23
Step 2: Find the prime factorization of 8978
8978 = 2 x 67 x 67
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 40266330 = 2 x 3 x 5 x 13 x 23 x 67 x 67
Step 4: Therefore, the least common multiple of 8970 and 8978 is 40266330.