Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 4279 and 4280 the smallest integer that is 18314120 that is divisible by both numbers.
Least Common Multiple (LCM) of 4279 and 4280 is 18314120.
LCM(4279,4280) = 18314120
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 4279 and 4280. First we will calculate the prime factors of 4279 and 4280.
Prime Factorization of 4279
11 | 4279 |
389 | 389 |
1 |
Prime factors of 4279 are 11,389. Prime factorization of 4279 in exponential form is:
4279 = 111×3891
Prime Factorization of 4280
2 | 4280 |
2 | 2140 |
2 | 1070 |
5 | 535 |
107 | 107 |
1 |
Prime factors of 4280 are 2, 5,107. Prime factorization of 4280 in exponential form is:
4280 = 23×51×1071
Now multiplying the highest exponent prime factors to calculate the LCM of 4279 and 4280.
LCM(4279,4280) = 23×51×111×1071×3891
LCM(4279,4280) = 18314120
Factors of 4279
List of positive integer factors of 4279 that divides 4279 without a remainder.
1, 11, 389, 4279
Factors of 4280
List of positive integer factors of 4280 that divides 4280 without a remainder.
1, 2, 4, 5, 8, 10, 20, 40, 107, 214, 428, 535, 856, 1070, 2140, 4280
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 4279 and 4280, than apply into the LCM equation.
GCF(4279,4280) = 1
LCM(4279,4280) = ( 4279 × 4280) / 1
LCM(4279,4280) = 18314120 / 1
LCM(4279,4280) = 18314120
(i) The LCM of 4280 and 4279 is associative
LCM of 4279 and 4280 = LCM of 4280 and 4279
1. What is the LCM of 4279 and 4280?
Answer: LCM of 4279 and 4280 is 18314120.
2. What are the Factors of 4279?
Answer: Factors of 4279 are 1, 11, 389, 4279. There are 4 integers that are factors of 4279. The greatest factor of 4279 is 4279.
3. What are the Factors of 4280?
Answer: Factors of 4280 are 1, 2, 4, 5, 8, 10, 20, 40, 107, 214, 428, 535, 856, 1070, 2140, 4280. There are 16 integers that are factors of 4280. The greatest factor of 4280 is 4280.
4. How to Find the LCM of 4279 and 4280?
Answer:
Least Common Multiple of 4279 and 4280 = 18314120
Step 1: Find the prime factorization of 4279
4279 = 11 x 389
Step 2: Find the prime factorization of 4280
4280 = 2 x 2 x 2 x 5 x 107
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 18314120 = 2 x 2 x 2 x 5 x 11 x 107 x 389
Step 4: Therefore, the least common multiple of 4279 and 4280 is 18314120.