Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 942 and 947 the smallest integer that is 892074 that is divisible by both numbers.
Least Common Multiple (LCM) of 942 and 947 is 892074.
LCM(942,947) = 892074
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 942 and 947. First we will calculate the prime factors of 942 and 947.
Prime Factorization of 942
2 | 942 |
3 | 471 |
157 | 157 |
1 |
Prime factors of 942 are 2, 3,157. Prime factorization of 942 in exponential form is:
942 = 21×31×1571
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 942 and 947.
LCM(942,947) = 21×31×1571×9471
LCM(942,947) = 892074
Factors of 942
List of positive integer factors of 942 that divides 942 without a remainder.
1, 2, 3, 6, 157, 314, 471, 942
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 942 and 947, than apply into the LCM equation.
GCF(942,947) = 1
LCM(942,947) = ( 942 × 947) / 1
LCM(942,947) = 892074 / 1
LCM(942,947) = 892074
(i) The LCM of 947 and 942 is associative
LCM of 942 and 947 = LCM of 947 and 942
1. What is the LCM of 942 and 947?
Answer: LCM of 942 and 947 is 892074.
2. What are the Factors of 942?
Answer: Factors of 942 are 1, 2, 3, 6, 157, 314, 471, 942. There are 8 integers that are factors of 942. The greatest factor of 942 is 942.
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 942 and 947?
Answer:
Least Common Multiple of 942 and 947 = 892074
Step 1: Find the prime factorization of 942
942 = 2 x 3 x 157
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 = 892074 = 2 x 3 x 157 x 947
Step 4: Therefore, the least common multiple of 942 and 947 is 892074.