Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 7960 and 7966 the smallest integer that is 31704680 that is divisible by both numbers.
Least Common Multiple (LCM) of 7960 and 7966 is 31704680.
LCM(7960,7966) = 31704680
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 7960 and 7966. First we will calculate the prime factors of 7960 and 7966.
Prime Factorization of 7960
2 | 7960 |
2 | 3980 |
2 | 1990 |
5 | 995 |
199 | 199 |
1 |
Prime factors of 7960 are 2, 5,199. Prime factorization of 7960 in exponential form is:
7960 = 23×51×1991
Prime Factorization of 7966
2 | 7966 |
7 | 3983 |
569 | 569 |
1 |
Prime factors of 7966 are 2, 7,569. Prime factorization of 7966 in exponential form is:
7966 = 21×71×5691
Now multiplying the highest exponent prime factors to calculate the LCM of 7960 and 7966.
LCM(7960,7966) = 23×51×71×1991×5691
LCM(7960,7966) = 31704680
Factors of 7960
List of positive integer factors of 7960 that divides 7960 without a remainder.
1, 2, 4, 5, 8, 10, 20, 40, 199, 398, 796, 995, 1592, 1990, 3980, 7960
Factors of 7966
List of positive integer factors of 7966 that divides 7966 without a remainder.
1, 2, 7, 14, 569, 1138, 3983, 7966
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 7960 and 7966, than apply into the LCM equation.
GCF(7960,7966) = 2
LCM(7960,7966) = ( 7960 × 7966) / 2
LCM(7960,7966) = 63409360 / 2
LCM(7960,7966) = 31704680
(i) The LCM of 7966 and 7960 is associative
LCM of 7960 and 7966 = LCM of 7966 and 7960
1. What is the LCM of 7960 and 7966?
Answer: LCM of 7960 and 7966 is 31704680.
2. What are the Factors of 7960?
Answer: Factors of 7960 are 1, 2, 4, 5, 8, 10, 20, 40, 199, 398, 796, 995, 1592, 1990, 3980, 7960. There are 16 integers that are factors of 7960. The greatest factor of 7960 is 7960.
3. What are the Factors of 7966?
Answer: Factors of 7966 are 1, 2, 7, 14, 569, 1138, 3983, 7966. There are 8 integers that are factors of 7966. The greatest factor of 7966 is 7966.
4. How to Find the LCM of 7960 and 7966?
Answer:
Least Common Multiple of 7960 and 7966 = 31704680
Step 1: Find the prime factorization of 7960
7960 = 2 x 2 x 2 x 5 x 199
Step 2: Find the prime factorization of 7966
7966 = 2 x 7 x 569
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 31704680 = 2 x 2 x 2 x 5 x 7 x 199 x 569
Step 4: Therefore, the least common multiple of 7960 and 7966 is 31704680.