Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 277 and 280 the smallest integer that is 77560 that is divisible by both numbers.
Least Common Multiple (LCM) of 277 and 280 is 77560.
LCM(277,280) = 77560
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 277 and 280. First we will calculate the prime factors of 277 and 280.
Prime Factorization of 277
277 | 277 |
1 |
Prime factors of 277 are 277. Prime factorization of 277 in exponential form is:
277 = 2771
Prime Factorization of 280
2 | 280 |
2 | 140 |
2 | 70 |
5 | 35 |
7 | 7 |
1 |
Prime factors of 280 are 2, 5,7. Prime factorization of 280 in exponential form is:
280 = 23×51×71
Now multiplying the highest exponent prime factors to calculate the LCM of 277 and 280.
LCM(277,280) = 23×51×71×2771
LCM(277,280) = 77560
Factors of 277
List of positive integer factors of 277 that divides 277 without a remainder.
1, 277
Factors of 280
List of positive integer factors of 280 that divides 280 without a remainder.
1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 277 and 280, than apply into the LCM equation.
GCF(277,280) = 1
LCM(277,280) = ( 277 × 280) / 1
LCM(277,280) = 77560 / 1
LCM(277,280) = 77560
(i) The LCM of 280 and 277 is associative
LCM of 277 and 280 = LCM of 280 and 277
1. What is the LCM of 277 and 280?
Answer: LCM of 277 and 280 is 77560.
2. What are the Factors of 277?
Answer: Factors of 277 are 1, 277. There are 2 integers that are factors of 277. The greatest factor of 277 is 277.
3. What are the Factors of 280?
Answer: Factors of 280 are 1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280. There are 16 integers that are factors of 280. The greatest factor of 280 is 280.
4. How to Find the LCM of 277 and 280?
Answer:
Least Common Multiple of 277 and 280 = 77560
Step 1: Find the prime factorization of 277
277 = 277
Step 2: Find the prime factorization of 280
280 = 2 x 2 x 2 x 5 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 = 77560 = 2 x 2 x 2 x 5 x 7 x 277
Step 4: Therefore, the least common multiple of 277 and 280 is 77560.