Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 4945 and 4949 the smallest integer that is 24472805 that is divisible by both numbers.
Least Common Multiple (LCM) of 4945 and 4949 is 24472805.
LCM(4945,4949) = 24472805
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 4945 and 4949. First we will calculate the prime factors of 4945 and 4949.
Prime Factorization of 4945
5 | 4945 |
23 | 989 |
43 | 43 |
1 |
Prime factors of 4945 are 5, 23,43. Prime factorization of 4945 in exponential form is:
4945 = 51×231×431
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 4945 and 4949.
LCM(4945,4949) = 51×72×231×431×1011
LCM(4945,4949) = 24472805
Factors of 4945
List of positive integer factors of 4945 that divides 4945 without a remainder.
1, 5, 23, 43, 115, 215, 989, 4945
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 4945 and 4949, than apply into the LCM equation.
GCF(4945,4949) = 1
LCM(4945,4949) = ( 4945 × 4949) / 1
LCM(4945,4949) = 24472805 / 1
LCM(4945,4949) = 24472805
(i) The LCM of 4949 and 4945 is associative
LCM of 4945 and 4949 = LCM of 4949 and 4945
1. What is the LCM of 4945 and 4949?
Answer: LCM of 4945 and 4949 is 24472805.
2. What are the Factors of 4945?
Answer: Factors of 4945 are 1, 5, 23, 43, 115, 215, 989, 4945. There are 8 integers that are factors of 4945. The greatest factor of 4945 is 4945.
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 4945 and 4949?
Answer:
Least Common Multiple of 4945 and 4949 = 24472805
Step 1: Find the prime factorization of 4945
4945 = 5 x 23 x 43
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 = 24472805 = 5 x 7 x 7 x 23 x 43 x 101
Step 4: Therefore, the least common multiple of 4945 and 4949 is 24472805.