Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 4942 and 4949 the smallest integer that is 3493994 that is divisible by both numbers.
Least Common Multiple (LCM) of 4942 and 4949 is 3493994.
LCM(4942,4949) = 3493994
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 4942 and 4949. First we will calculate the prime factors of 4942 and 4949.
Prime Factorization of 4942
2 | 4942 |
7 | 2471 |
353 | 353 |
1 |
Prime factors of 4942 are 2, 7,353. Prime factorization of 4942 in exponential form is:
4942 = 21×71×3531
Prime Factorization of 4949
7 | 4949 |
7 | 707 |
101 | 101 |
1 |
Prime factors of 4949 are 7,101. Prime factorization of 4949 in exponential form is:
4949 = 72×1011
Now multiplying the highest exponent prime factors to calculate the LCM of 4942 and 4949.
LCM(4942,4949) = 21×72×1011×3531
LCM(4942,4949) = 3493994
Factors of 4942
List of positive integer factors of 4942 that divides 4942 without a remainder.
1, 2, 7, 14, 353, 706, 2471, 4942
Factors of 4949
List of positive integer factors of 4949 that divides 4949 without a remainder.
1, 7, 49, 101, 707, 4949
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 4942 and 4949, than apply into the LCM equation.
GCF(4942,4949) = 7
LCM(4942,4949) = ( 4942 × 4949) / 7
LCM(4942,4949) = 24457958 / 7
LCM(4942,4949) = 3493994
(i) The LCM of 4949 and 4942 is associative
LCM of 4942 and 4949 = LCM of 4949 and 4942
1. What is the LCM of 4942 and 4949?
Answer: LCM of 4942 and 4949 is 3493994.
2. What are the Factors of 4942?
Answer: Factors of 4942 are 1, 2, 7, 14, 353, 706, 2471, 4942. There are 8 integers that are factors of 4942. The greatest factor of 4942 is 4942.
3. What are the Factors of 4949?
Answer: Factors of 4949 are 1, 7, 49, 101, 707, 4949. There are 6 integers that are factors of 4949. The greatest factor of 4949 is 4949.
4. How to Find the LCM of 4942 and 4949?
Answer:
Least Common Multiple of 4942 and 4949 = 3493994
Step 1: Find the prime factorization of 4942
4942 = 2 x 7 x 353
Step 2: Find the prime factorization of 4949
4949 = 7 x 7 x 101
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 3493994 = 2 x 7 x 7 x 101 x 353
Step 4: Therefore, the least common multiple of 4942 and 4949 is 3493994.