Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 3140 and 3147 the smallest integer that is 9881580 that is divisible by both numbers.
Least Common Multiple (LCM) of 3140 and 3147 is 9881580.
LCM(3140,3147) = 9881580
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 3140 and 3147. First we will calculate the prime factors of 3140 and 3147.
Prime Factorization of 3140
2 | 3140 |
2 | 1570 |
5 | 785 |
157 | 157 |
1 |
Prime factors of 3140 are 2, 5,157. Prime factorization of 3140 in exponential form is:
3140 = 22×51×1571
Prime Factorization of 3147
3 | 3147 |
1049 | 1049 |
1 |
Prime factors of 3147 are 3,1049. Prime factorization of 3147 in exponential form is:
3147 = 31×10491
Now multiplying the highest exponent prime factors to calculate the LCM of 3140 and 3147.
LCM(3140,3147) = 22×31×51×1571×10491
LCM(3140,3147) = 9881580
Factors of 3140
List of positive integer factors of 3140 that divides 3140 without a remainder.
1, 2, 4, 5, 10, 20, 157, 314, 628, 785, 1570, 3140
Factors of 3147
List of positive integer factors of 3147 that divides 3147 without a remainder.
1, 3, 1049, 3147
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 3140 and 3147, than apply into the LCM equation.
GCF(3140,3147) = 1
LCM(3140,3147) = ( 3140 × 3147) / 1
LCM(3140,3147) = 9881580 / 1
LCM(3140,3147) = 9881580
(i) The LCM of 3147 and 3140 is associative
LCM of 3140 and 3147 = LCM of 3147 and 3140
1. What is the LCM of 3140 and 3147?
Answer: LCM of 3140 and 3147 is 9881580.
2. What are the Factors of 3140?
Answer: Factors of 3140 are 1, 2, 4, 5, 10, 20, 157, 314, 628, 785, 1570, 3140. There are 12 integers that are factors of 3140. The greatest factor of 3140 is 3140.
3. What are the Factors of 3147?
Answer: Factors of 3147 are 1, 3, 1049, 3147. There are 4 integers that are factors of 3147. The greatest factor of 3147 is 3147.
4. How to Find the LCM of 3140 and 3147?
Answer:
Least Common Multiple of 3140 and 3147 = 9881580
Step 1: Find the prime factorization of 3140
3140 = 2 x 2 x 5 x 157
Step 2: Find the prime factorization of 3147
3147 = 3 x 1049
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 9881580 = 2 x 2 x 3 x 5 x 157 x 1049
Step 4: Therefore, the least common multiple of 3140 and 3147 is 9881580.