Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 7070 and 7071 the smallest integer that is 49991970 that is divisible by both numbers.
Least Common Multiple (LCM) of 7070 and 7071 is 49991970.
LCM(7070,7071) = 49991970
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 7070 and 7071. First we will calculate the prime factors of 7070 and 7071.
Prime Factorization of 7070
2 | 7070 |
5 | 3535 |
7 | 707 |
101 | 101 |
1 |
Prime factors of 7070 are 2, 5, 7,101. Prime factorization of 7070 in exponential form is:
7070 = 21×51×71×1011
Prime Factorization of 7071
3 | 7071 |
2357 | 2357 |
1 |
Prime factors of 7071 are 3,2357. Prime factorization of 7071 in exponential form is:
7071 = 31×23571
Now multiplying the highest exponent prime factors to calculate the LCM of 7070 and 7071.
LCM(7070,7071) = 21×31×51×71×1011×23571
LCM(7070,7071) = 49991970
Factors of 7070
List of positive integer factors of 7070 that divides 7070 without a remainder.
1, 2, 5, 7, 10, 14, 35, 70, 101, 202, 505, 707, 1010, 1414, 3535, 7070
Factors of 7071
List of positive integer factors of 7071 that divides 7071 without a remainder.
1, 3, 2357, 7071
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 7070 and 7071, than apply into the LCM equation.
GCF(7070,7071) = 1
LCM(7070,7071) = ( 7070 × 7071) / 1
LCM(7070,7071) = 49991970 / 1
LCM(7070,7071) = 49991970
(i) The LCM of 7071 and 7070 is associative
LCM of 7070 and 7071 = LCM of 7071 and 7070
1. What is the LCM of 7070 and 7071?
Answer: LCM of 7070 and 7071 is 49991970.
2. What are the Factors of 7070?
Answer: Factors of 7070 are 1, 2, 5, 7, 10, 14, 35, 70, 101, 202, 505, 707, 1010, 1414, 3535, 7070. There are 16 integers that are factors of 7070. The greatest factor of 7070 is 7070.
3. What are the Factors of 7071?
Answer: Factors of 7071 are 1, 3, 2357, 7071. There are 4 integers that are factors of 7071. The greatest factor of 7071 is 7071.
4. How to Find the LCM of 7070 and 7071?
Answer:
Least Common Multiple of 7070 and 7071 = 49991970
Step 1: Find the prime factorization of 7070
7070 = 2 x 5 x 7 x 101
Step 2: Find the prime factorization of 7071
7071 = 3 x 2357
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 49991970 = 2 x 3 x 5 x 7 x 101 x 2357
Step 4: Therefore, the least common multiple of 7070 and 7071 is 49991970.