Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 946 and 947 the smallest integer that is 895862 that is divisible by both numbers.
Least Common Multiple (LCM) of 946 and 947 is 895862.
LCM(946,947) = 895862
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 946 and 947. First we will calculate the prime factors of 946 and 947.
Prime Factorization of 946
2 | 946 |
11 | 473 |
43 | 43 |
1 |
Prime factors of 946 are 2, 11,43. Prime factorization of 946 in exponential form is:
946 = 21×111×431
Prime Factorization of 947
947 | 947 |
1 |
Prime factors of 947 are 947. Prime factorization of 947 in exponential form is:
947 = 9471
Now multiplying the highest exponent prime factors to calculate the LCM of 946 and 947.
LCM(946,947) = 21×111×431×9471
LCM(946,947) = 895862
Factors of 946
List of positive integer factors of 946 that divides 946 without a remainder.
1, 2, 11, 22, 43, 86, 473, 946
Factors of 947
List of positive integer factors of 947 that divides 947 without a remainder.
1, 947
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 946 and 947, than apply into the LCM equation.
GCF(946,947) = 1
LCM(946,947) = ( 946 × 947) / 1
LCM(946,947) = 895862 / 1
LCM(946,947) = 895862
(i) The LCM of 947 and 946 is associative
LCM of 946 and 947 = LCM of 947 and 946
1. What is the LCM of 946 and 947?
Answer: LCM of 946 and 947 is 895862.
2. What are the Factors of 946?
Answer: Factors of 946 are 1, 2, 11, 22, 43, 86, 473, 946. There are 8 integers that are factors of 946. The greatest factor of 946 is 946.
3. What are the Factors of 947?
Answer: Factors of 947 are 1, 947. There are 2 integers that are factors of 947. The greatest factor of 947 is 947.
4. How to Find the LCM of 946 and 947?
Answer:
Least Common Multiple of 946 and 947 = 895862
Step 1: Find the prime factorization of 946
946 = 2 x 11 x 43
Step 2: Find the prime factorization of 947
947 = 947
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 895862 = 2 x 11 x 43 x 947
Step 4: Therefore, the least common multiple of 946 and 947 is 895862.