Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 3112 and 3120 the smallest integer that is 1213680 that is divisible by both numbers.
Least Common Multiple (LCM) of 3112 and 3120 is 1213680.
LCM(3112,3120) = 1213680
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 3112 and 3120. First we will calculate the prime factors of 3112 and 3120.
Prime Factorization of 3112
2 | 3112 |
2 | 1556 |
2 | 778 |
389 | 389 |
1 |
Prime factors of 3112 are 2,389. Prime factorization of 3112 in exponential form is:
3112 = 23×3891
Prime Factorization of 3120
2 | 3120 |
2 | 1560 |
2 | 780 |
2 | 390 |
3 | 195 |
5 | 65 |
13 | 13 |
1 |
Prime factors of 3120 are 2, 3, 5,13. Prime factorization of 3120 in exponential form is:
3120 = 24×31×51×131
Now multiplying the highest exponent prime factors to calculate the LCM of 3112 and 3120.
LCM(3112,3120) = 24×31×51×131×3891
LCM(3112,3120) = 1213680
Factors of 3112
List of positive integer factors of 3112 that divides 3112 without a remainder.
1, 2, 4, 8, 389, 778, 1556, 3112
Factors of 3120
List of positive integer factors of 3120 that divides 3120 without a remainder.
1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 3112 and 3120, than apply into the LCM equation.
GCF(3112,3120) = 8
LCM(3112,3120) = ( 3112 × 3120) / 8
LCM(3112,3120) = 9709440 / 8
LCM(3112,3120) = 1213680
(i) The LCM of 3120 and 3112 is associative
LCM of 3112 and 3120 = LCM of 3120 and 3112
1. What is the LCM of 3112 and 3120?
Answer: LCM of 3112 and 3120 is 1213680.
2. What are the Factors of 3112?
Answer: Factors of 3112 are 1, 2, 4, 8, 389, 778, 1556, 3112. There are 8 integers that are factors of 3112. The greatest factor of 3112 is 3112.
3. What are the Factors of 3120?
Answer: Factors of 3120 are 1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120. There are 40 integers that are factors of 3120. The greatest factor of 3120 is 3120.
4. How to Find the LCM of 3112 and 3120?
Answer:
Least Common Multiple of 3112 and 3120 = 1213680
Step 1: Find the prime factorization of 3112
3112 = 2 x 2 x 2 x 389
Step 2: Find the prime factorization of 3120
3120 = 2 x 2 x 2 x 2 x 3 x 5 x 13
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 1213680 = 2 x 2 x 2 x 2 x 3 x 5 x 13 x 389
Step 4: Therefore, the least common multiple of 3112 and 3120 is 1213680.