Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 860 and 862 the smallest integer that is 370660 that is divisible by both numbers.
Least Common Multiple (LCM) of 860 and 862 is 370660.
LCM(860,862) = 370660
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 860 and 862. First we will calculate the prime factors of 860 and 862.
Prime Factorization of 860
2 | 860 |
2 | 430 |
5 | 215 |
43 | 43 |
1 |
Prime factors of 860 are 2, 5,43. Prime factorization of 860 in exponential form is:
860 = 22×51×431
Prime Factorization of 862
2 | 862 |
431 | 431 |
1 |
Prime factors of 862 are 2,431. Prime factorization of 862 in exponential form is:
862 = 21×4311
Now multiplying the highest exponent prime factors to calculate the LCM of 860 and 862.
LCM(860,862) = 22×51×431×4311
LCM(860,862) = 370660
Factors of 860
List of positive integer factors of 860 that divides 860 without a remainder.
1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860
Factors of 862
List of positive integer factors of 862 that divides 862 without a remainder.
1, 2, 431, 862
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 860 and 862, than apply into the LCM equation.
GCF(860,862) = 2
LCM(860,862) = ( 860 × 862) / 2
LCM(860,862) = 741320 / 2
LCM(860,862) = 370660
(i) The LCM of 862 and 860 is associative
LCM of 860 and 862 = LCM of 862 and 860
1. What is the LCM of 860 and 862?
Answer: LCM of 860 and 862 is 370660.
2. What are the Factors of 860?
Answer: Factors of 860 are 1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860. There are 12 integers that are factors of 860. The greatest factor of 860 is 860.
3. What are the Factors of 862?
Answer: Factors of 862 are 1, 2, 431, 862. There are 4 integers that are factors of 862. The greatest factor of 862 is 862.
4. How to Find the LCM of 860 and 862?
Answer:
Least Common Multiple of 860 and 862 = 370660
Step 1: Find the prime factorization of 860
860 = 2 x 2 x 5 x 43
Step 2: Find the prime factorization of 862
862 = 2 x 431
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 370660 = 2 x 2 x 5 x 43 x 431
Step 4: Therefore, the least common multiple of 860 and 862 is 370660.