Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 2974 and 2982 the smallest integer that is 4434234 that is divisible by both numbers.
Least Common Multiple (LCM) of 2974 and 2982 is 4434234.
LCM(2974,2982) = 4434234
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 2974 and 2982. First we will calculate the prime factors of 2974 and 2982.
Prime Factorization of 2974
2 | 2974 |
1487 | 1487 |
1 |
Prime factors of 2974 are 2,1487. Prime factorization of 2974 in exponential form is:
2974 = 21×14871
Prime Factorization of 2982
2 | 2982 |
3 | 1491 |
7 | 497 |
71 | 71 |
1 |
Prime factors of 2982 are 2, 3, 7,71. Prime factorization of 2982 in exponential form is:
2982 = 21×31×71×711
Now multiplying the highest exponent prime factors to calculate the LCM of 2974 and 2982.
LCM(2974,2982) = 21×31×71×711×14871
LCM(2974,2982) = 4434234
Factors of 2974
List of positive integer factors of 2974 that divides 2974 without a remainder.
1, 2, 1487, 2974
Factors of 2982
List of positive integer factors of 2982 that divides 2982 without a remainder.
1, 2, 3, 6, 7, 14, 21, 42, 71, 142, 213, 426, 497, 994, 1491, 2982
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 2974 and 2982, than apply into the LCM equation.
GCF(2974,2982) = 2
LCM(2974,2982) = ( 2974 × 2982) / 2
LCM(2974,2982) = 8868468 / 2
LCM(2974,2982) = 4434234
(i) The LCM of 2982 and 2974 is associative
LCM of 2974 and 2982 = LCM of 2982 and 2974
1. What is the LCM of 2974 and 2982?
Answer: LCM of 2974 and 2982 is 4434234.
2. What are the Factors of 2974?
Answer: Factors of 2974 are 1, 2, 1487, 2974. There are 4 integers that are factors of 2974. The greatest factor of 2974 is 2974.
3. What are the Factors of 2982?
Answer: Factors of 2982 are 1, 2, 3, 6, 7, 14, 21, 42, 71, 142, 213, 426, 497, 994, 1491, 2982. There are 16 integers that are factors of 2982. The greatest factor of 2982 is 2982.
4. How to Find the LCM of 2974 and 2982?
Answer:
Least Common Multiple of 2974 and 2982 = 4434234
Step 1: Find the prime factorization of 2974
2974 = 2 x 1487
Step 2: Find the prime factorization of 2982
2982 = 2 x 3 x 7 x 71
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 4434234 = 2 x 3 x 7 x 71 x 1487
Step 4: Therefore, the least common multiple of 2974 and 2982 is 4434234.