Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 157 and 160 the smallest integer that is 25120 that is divisible by both numbers.
Least Common Multiple (LCM) of 157 and 160 is 25120.
LCM(157,160) = 25120
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 157 and 160. First we will calculate the prime factors of 157 and 160.
Prime Factorization of 157
157 | 157 |
1 |
Prime factors of 157 are 157. Prime factorization of 157 in exponential form is:
157 = 1571
Prime Factorization of 160
2 | 160 |
2 | 80 |
2 | 40 |
2 | 20 |
2 | 10 |
5 | 5 |
1 |
Prime factors of 160 are 2,5. Prime factorization of 160 in exponential form is:
160 = 25×51
Now multiplying the highest exponent prime factors to calculate the LCM of 157 and 160.
LCM(157,160) = 25×51×1571
LCM(157,160) = 25120
Factors of 157
List of positive integer factors of 157 that divides 157 without a remainder.
1, 157
Factors of 160
List of positive integer factors of 160 that divides 160 without a remainder.
1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 157 and 160, than apply into the LCM equation.
GCF(157,160) = 1
LCM(157,160) = ( 157 × 160) / 1
LCM(157,160) = 25120 / 1
LCM(157,160) = 25120
(i) The LCM of 160 and 157 is associative
LCM of 157 and 160 = LCM of 160 and 157
1. What is the LCM of 157 and 160?
Answer: LCM of 157 and 160 is 25120.
2. What are the Factors of 157?
Answer: Factors of 157 are 1, 157. There are 2 integers that are factors of 157. The greatest factor of 157 is 157.
3. What are the Factors of 160?
Answer: Factors of 160 are 1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160. There are 12 integers that are factors of 160. The greatest factor of 160 is 160.
4. How to Find the LCM of 157 and 160?
Answer:
Least Common Multiple of 157 and 160 = 25120
Step 1: Find the prime factorization of 157
157 = 157
Step 2: Find the prime factorization of 160
160 = 2 x 2 x 2 x 2 x 2 x 5
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 25120 = 2 x 2 x 2 x 2 x 2 x 5 x 157
Step 4: Therefore, the least common multiple of 157 and 160 is 25120.