Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 8680 and 8685 the smallest integer that is 15077160 that is divisible by both numbers.
Least Common Multiple (LCM) of 8680 and 8685 is 15077160.
LCM(8680,8685) = 15077160
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 8680 and 8685. First we will calculate the prime factors of 8680 and 8685.
Prime Factorization of 8680
2 | 8680 |
2 | 4340 |
2 | 2170 |
5 | 1085 |
7 | 217 |
31 | 31 |
1 |
Prime factors of 8680 are 2, 5, 7,31. Prime factorization of 8680 in exponential form is:
8680 = 23×51×71×311
Prime Factorization of 8685
3 | 8685 |
3 | 2895 |
5 | 965 |
193 | 193 |
1 |
Prime factors of 8685 are 3, 5,193. Prime factorization of 8685 in exponential form is:
8685 = 32×51×1931
Now multiplying the highest exponent prime factors to calculate the LCM of 8680 and 8685.
LCM(8680,8685) = 23×32×51×71×311×1931
LCM(8680,8685) = 15077160
Factors of 8680
List of positive integer factors of 8680 that divides 8680 without a remainder.
1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 620, 868, 1085, 1240, 1736, 2170, 4340, 8680
Factors of 8685
List of positive integer factors of 8685 that divides 8685 without a remainder.
1, 3, 5, 9, 15, 45, 193, 579, 965, 1737, 2895, 8685
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 8680 and 8685, than apply into the LCM equation.
GCF(8680,8685) = 5
LCM(8680,8685) = ( 8680 × 8685) / 5
LCM(8680,8685) = 75385800 / 5
LCM(8680,8685) = 15077160
(i) The LCM of 8685 and 8680 is associative
LCM of 8680 and 8685 = LCM of 8685 and 8680
1. What is the LCM of 8680 and 8685?
Answer: LCM of 8680 and 8685 is 15077160.
2. What are the Factors of 8680?
Answer: Factors of 8680 are 1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 620, 868, 1085, 1240, 1736, 2170, 4340, 8680. There are 32 integers that are factors of 8680. The greatest factor of 8680 is 8680.
3. What are the Factors of 8685?
Answer: Factors of 8685 are 1, 3, 5, 9, 15, 45, 193, 579, 965, 1737, 2895, 8685. There are 12 integers that are factors of 8685. The greatest factor of 8685 is 8685.
4. How to Find the LCM of 8680 and 8685?
Answer:
Least Common Multiple of 8680 and 8685 = 15077160
Step 1: Find the prime factorization of 8680
8680 = 2 x 2 x 2 x 5 x 7 x 31
Step 2: Find the prime factorization of 8685
8685 = 3 x 3 x 5 x 193
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 15077160 = 2 x 2 x 2 x 3 x 3 x 5 x 7 x 31 x 193
Step 4: Therefore, the least common multiple of 8680 and 8685 is 15077160.