Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 1946 and 1952 the smallest integer that is 1899296 that is divisible by both numbers.
Least Common Multiple (LCM) of 1946 and 1952 is 1899296.
LCM(1946,1952) = 1899296
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 1946 and 1952. First we will calculate the prime factors of 1946 and 1952.
Prime Factorization of 1946
2 | 1946 |
7 | 973 |
139 | 139 |
1 |
Prime factors of 1946 are 2, 7,139. Prime factorization of 1946 in exponential form is:
1946 = 21×71×1391
Prime Factorization of 1952
2 | 1952 |
2 | 976 |
2 | 488 |
2 | 244 |
2 | 122 |
61 | 61 |
1 |
Prime factors of 1952 are 2,61. Prime factorization of 1952 in exponential form is:
1952 = 25×611
Now multiplying the highest exponent prime factors to calculate the LCM of 1946 and 1952.
LCM(1946,1952) = 25×71×611×1391
LCM(1946,1952) = 1899296
Factors of 1946
List of positive integer factors of 1946 that divides 1946 without a remainder.
1, 2, 7, 14, 139, 278, 973, 1946
Factors of 1952
List of positive integer factors of 1952 that divides 1952 without a remainder.
1, 2, 4, 8, 16, 32, 61, 122, 244, 488, 976, 1952
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1946 and 1952, than apply into the LCM equation.
GCF(1946,1952) = 2
LCM(1946,1952) = ( 1946 × 1952) / 2
LCM(1946,1952) = 3798592 / 2
LCM(1946,1952) = 1899296
(i) The LCM of 1952 and 1946 is associative
LCM of 1946 and 1952 = LCM of 1952 and 1946
1. What is the LCM of 1946 and 1952?
Answer: LCM of 1946 and 1952 is 1899296.
2. What are the Factors of 1946?
Answer: Factors of 1946 are 1, 2, 7, 14, 139, 278, 973, 1946. There are 8 integers that are factors of 1946. The greatest factor of 1946 is 1946.
3. What are the Factors of 1952?
Answer: Factors of 1952 are 1, 2, 4, 8, 16, 32, 61, 122, 244, 488, 976, 1952. There are 12 integers that are factors of 1952. The greatest factor of 1952 is 1952.
4. How to Find the LCM of 1946 and 1952?
Answer:
Least Common Multiple of 1946 and 1952 = 1899296
Step 1: Find the prime factorization of 1946
1946 = 2 x 7 x 139
Step 2: Find the prime factorization of 1952
1952 = 2 x 2 x 2 x 2 x 2 x 61
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 1899296 = 2 x 2 x 2 x 2 x 2 x 7 x 61 x 139
Step 4: Therefore, the least common multiple of 1946 and 1952 is 1899296.