Least Common Multiple of 160 and 178

Created By : Jatin Gogia

Reviewed By : Rajasekhar Valipishetty

Last Updated : Apr 06, 2023


Free LCM Calculator determines the least common multiple (LCM) between 160 and 178 the smallest integer that is 14240 that is divisible by both numbers.

Least Common Multiple (LCM) of 160 and 178 is 14240.

LCM(160,178) = 14240

LCM of 160 and 178

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

LCM of:
and

Least Common Multiple of 160 and 178

LCM of 160 and 178 is 14240

Least common multiple can be found by multiplying the highest exponent prime factors of 160 and 178. First we will calculate the prime factors of 160 and 178.

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

Prime Factorization of 178


2 178
89 89
1

Prime factors of 178 are 2,89. Prime factorization of 178 in exponential form is:

178 = 21×891

Now multiplying the highest exponent prime factors to calculate the LCM of 160 and 178.

LCM(160,178) = 25×51×891
LCM(160,178) = 14240

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

Factors of 178

List of positive integer factors of 178 that divides 178 without a remainder.

1, 2, 89, 178

Least Common Multiple of 160 and 178 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 160 and 178, than apply into the LCM equation.

GCF(160,178) = 2
LCM(160,178) = ( 160 × 178) / 2
LCM(160,178) = 28480 / 2
LCM(160,178) = 14240

Properties of LCM 160 and 178

(i) The LCM of 178 and 160 is associative

LCM of 160 and 178 = LCM of 178 and 160

Frequently Asked Questions on LCM of 160 and 178

1. What is the LCM of 160 and 178?

Answer: LCM of 160 and 178 is 14240.

2. 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.

3. What are the Factors of 178?

Answer: Factors of 178 are 1, 2, 89, 178. There are 4 integers that are factors of 178. The greatest factor of 178 is 178.

4. How to Find the LCM of 160 and 178?

Answer:

Least Common Multiple of 160 and 178 = 14240

Step 1: Find the prime factorization of 160

160 = 2 x 2 x 2 x 2 x 2 x 5

Step 2: Find the prime factorization of 178

178 = 2 x 89

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

LCM = 14240 = 2 x 2 x 2 x 2 x 2 x 5 x 89

Step 4: Therefore, the least common multiple of 160 and 178 is 14240.