Least Common Multiple of 156 and 161

Created By : Jatin Gogia

Reviewed By : Rajasekhar Valipishetty

Last Updated : Apr 06, 2023

Free LCM Calculator determines the least common multiple (LCM) between 156 and 161 the smallest integer that is 25116 that is divisible by both numbers.

Least Common Multiple (LCM) of 156 and 161 is 25116.

LCM(156,161) = 25116

LCM of 156 and 161

Least common multiple or lowest common denominator (LCD) can be calculated in three ways;

LCM of:
and

Least Common Multiple of 156 and 161

LCM of 156 and 161 is 25116

Least common multiple can be found by multiplying the highest exponent prime factors of 156 and 161. First we will calculate the prime factors of 156 and 161.

Prime Factorization of 156


2 156
2 78
3 39
13 13
1

Prime factors of 156 are 2, 3,13. Prime factorization of 156 in exponential form is:

156 = 22×31×131

Prime Factorization of 161


7 161
23 23
1

Prime factors of 161 are 7,23. Prime factorization of 161 in exponential form is:

161 = 71×231

Now multiplying the highest exponent prime factors to calculate the LCM of 156 and 161.

LCM(156,161) = 22×31×71×131×231
LCM(156,161) = 25116

Factors of 156

List of positive integer factors of 156 that divides 156 without a remainder.

1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156

Factors of 161

List of positive integer factors of 161 that divides 161 without a remainder.

1, 7, 23, 161

Least Common Multiple of 156 and 161 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 156 and 161, than apply into the LCM equation.

GCF(156,161) = 1
LCM(156,161) = ( 156 × 161) / 1
LCM(156,161) = 25116 / 1
LCM(156,161) = 25116

Properties of LCM 156 and 161

(i) The LCM of 161 and 156 is associative

LCM of 156 and 161 = LCM of 161 and 156

Related Least Common Multiples of 156

Related Least Common Multiples of 161

Frequently Asked Questions on LCM of 156 and 161

1. What is the LCM of 156 and 161?

Answer: LCM of 156 and 161 is 25116.

2. What are the Factors of 156?

Answer: Factors of 156 are 1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156. There are 12 integers that are factors of 156. The greatest factor of 156 is 156.

3. What are the Factors of 161?

Answer: Factors of 161 are 1, 7, 23, 161. There are 4 integers that are factors of 161. The greatest factor of 161 is 161.

4. How to Find the LCM of 156 and 161?

Answer:

Least Common Multiple of 156 and 161 = 25116

Step 1: Find the prime factorization of 156

156 = 2 x 2 x 3 x 13

Step 2: Find the prime factorization of 161

161 = 7 x 23

Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:

LCM = 25116 = 2 x 2 x 3 x 7 x 13 x 23

Step 4: Therefore, the least common multiple of 156 and 161 is 25116.