Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 977 and 980 the smallest integer that is 957460 that is divisible by both numbers.
Least Common Multiple (LCM) of 977 and 980 is 957460.
LCM(977,980) = 957460
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 977 and 980. First we will calculate the prime factors of 977 and 980.
Prime Factorization of 977
977 | 977 |
1 |
Prime factors of 977 are 977. Prime factorization of 977 in exponential form is:
977 = 9771
Prime Factorization of 980
2 | 980 |
2 | 490 |
5 | 245 |
7 | 49 |
7 | 7 |
1 |
Prime factors of 980 are 2, 5,7. Prime factorization of 980 in exponential form is:
980 = 22×51×72
Now multiplying the highest exponent prime factors to calculate the LCM of 977 and 980.
LCM(977,980) = 22×51×72×9771
LCM(977,980) = 957460
Factors of 977
List of positive integer factors of 977 that divides 977 without a remainder.
1, 977
Factors of 980
List of positive integer factors of 980 that divides 980 without a remainder.
1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 977 and 980, than apply into the LCM equation.
GCF(977,980) = 1
LCM(977,980) = ( 977 × 980) / 1
LCM(977,980) = 957460 / 1
LCM(977,980) = 957460
(i) The LCM of 980 and 977 is associative
LCM of 977 and 980 = LCM of 980 and 977
1. What is the LCM of 977 and 980?
Answer: LCM of 977 and 980 is 957460.
2. What are the Factors of 977?
Answer: Factors of 977 are 1, 977. There are 2 integers that are factors of 977. The greatest factor of 977 is 977.
3. What are the Factors of 980?
Answer: Factors of 980 are 1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980. There are 18 integers that are factors of 980. The greatest factor of 980 is 980.
4. How to Find the LCM of 977 and 980?
Answer:
Least Common Multiple of 977 and 980 = 957460
Step 1: Find the prime factorization of 977
977 = 977
Step 2: Find the prime factorization of 980
980 = 2 x 2 x 5 x 7 x 7
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 957460 = 2 x 2 x 5 x 7 x 7 x 977
Step 4: Therefore, the least common multiple of 977 and 980 is 957460.