Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 7969 and 7977 the smallest integer that is 63568713 that is divisible by both numbers.
Least Common Multiple (LCM) of 7969 and 7977 is 63568713.
LCM(7969,7977) = 63568713
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 7969 and 7977. First we will calculate the prime factors of 7969 and 7977.
Prime Factorization of 7969
13 | 7969 |
613 | 613 |
1 |
Prime factors of 7969 are 13,613. Prime factorization of 7969 in exponential form is:
7969 = 131×6131
Prime Factorization of 7977
3 | 7977 |
2659 | 2659 |
1 |
Prime factors of 7977 are 3,2659. Prime factorization of 7977 in exponential form is:
7977 = 31×26591
Now multiplying the highest exponent prime factors to calculate the LCM of 7969 and 7977.
LCM(7969,7977) = 31×131×6131×26591
LCM(7969,7977) = 63568713
Factors of 7969
List of positive integer factors of 7969 that divides 7969 without a remainder.
1, 13, 613, 7969
Factors of 7977
List of positive integer factors of 7977 that divides 7977 without a remainder.
1, 3, 2659, 7977
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 7969 and 7977, than apply into the LCM equation.
GCF(7969,7977) = 1
LCM(7969,7977) = ( 7969 × 7977) / 1
LCM(7969,7977) = 63568713 / 1
LCM(7969,7977) = 63568713
(i) The LCM of 7977 and 7969 is associative
LCM of 7969 and 7977 = LCM of 7977 and 7969
1. What is the LCM of 7969 and 7977?
Answer: LCM of 7969 and 7977 is 63568713.
2. What are the Factors of 7969?
Answer: Factors of 7969 are 1, 13, 613, 7969. There are 4 integers that are factors of 7969. The greatest factor of 7969 is 7969.
3. What are the Factors of 7977?
Answer: Factors of 7977 are 1, 3, 2659, 7977. There are 4 integers that are factors of 7977. The greatest factor of 7977 is 7977.
4. How to Find the LCM of 7969 and 7977?
Answer:
Least Common Multiple of 7969 and 7977 = 63568713
Step 1: Find the prime factorization of 7969
7969 = 13 x 613
Step 2: Find the prime factorization of 7977
7977 = 3 x 2659
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 63568713 = 3 x 13 x 613 x 2659
Step 4: Therefore, the least common multiple of 7969 and 7977 is 63568713.