Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 7946 and 7951 the smallest integer that is 63178646 that is divisible by both numbers.
Least Common Multiple (LCM) of 7946 and 7951 is 63178646.
LCM(7946,7951) = 63178646
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 7946 and 7951. First we will calculate the prime factors of 7946 and 7951.
Prime Factorization of 7946
2 | 7946 |
29 | 3973 |
137 | 137 |
1 |
Prime factors of 7946 are 2, 29,137. Prime factorization of 7946 in exponential form is:
7946 = 21×291×1371
Prime Factorization of 7951
7951 | 7951 |
1 |
Prime factors of 7951 are 7951. Prime factorization of 7951 in exponential form is:
7951 = 79511
Now multiplying the highest exponent prime factors to calculate the LCM of 7946 and 7951.
LCM(7946,7951) = 21×291×1371×79511
LCM(7946,7951) = 63178646
Factors of 7946
List of positive integer factors of 7946 that divides 7946 without a remainder.
1, 2, 29, 58, 137, 274, 3973, 7946
Factors of 7951
List of positive integer factors of 7951 that divides 7951 without a remainder.
1, 7951
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 7946 and 7951, than apply into the LCM equation.
GCF(7946,7951) = 1
LCM(7946,7951) = ( 7946 × 7951) / 1
LCM(7946,7951) = 63178646 / 1
LCM(7946,7951) = 63178646
(i) The LCM of 7951 and 7946 is associative
LCM of 7946 and 7951 = LCM of 7951 and 7946
1. What is the LCM of 7946 and 7951?
Answer: LCM of 7946 and 7951 is 63178646.
2. What are the Factors of 7946?
Answer: Factors of 7946 are 1, 2, 29, 58, 137, 274, 3973, 7946. There are 8 integers that are factors of 7946. The greatest factor of 7946 is 7946.
3. What are the Factors of 7951?
Answer: Factors of 7951 are 1, 7951. There are 2 integers that are factors of 7951. The greatest factor of 7951 is 7951.
4. How to Find the LCM of 7946 and 7951?
Answer:
Least Common Multiple of 7946 and 7951 = 63178646
Step 1: Find the prime factorization of 7946
7946 = 2 x 29 x 137
Step 2: Find the prime factorization of 7951
7951 = 7951
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 63178646 = 2 x 29 x 137 x 7951
Step 4: Therefore, the least common multiple of 7946 and 7951 is 63178646.