Least Common Multiple of 73 and 80

Created By : Jatin Gogia

Reviewed By : Rajasekhar Valipishetty

Last Updated : Apr 06, 2023


Free LCM Calculator determines the least common multiple (LCM) between 73 and 80 the smallest integer that is 5840 that is divisible by both numbers.

Least Common Multiple (LCM) of 73 and 80 is 5840.

LCM(73,80) = 5840

LCM of 73 and 80

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

LCM of:
and

Least Common Multiple of 73 and 80

LCM of 73 and 80 is 5840

Least common multiple can be found by multiplying the highest exponent prime factors of 73 and 80. First we will calculate the prime factors of 73 and 80.

Prime Factorization of 73


73 73
1

Prime factors of 73 are 73. Prime factorization of 73 in exponential form is:

73 = 731

Prime Factorization of 80


2 80
2 40
2 20
2 10
5 5
1

Prime factors of 80 are 2,5. Prime factorization of 80 in exponential form is:

80 = 24×51

Now multiplying the highest exponent prime factors to calculate the LCM of 73 and 80.

LCM(73,80) = 24×51×731
LCM(73,80) = 5840

Factors of 73

List of positive integer factors of 73 that divides 73 without a remainder.

1, 73

Factors of 80

List of positive integer factors of 80 that divides 80 without a remainder.

1, 2, 4, 5, 8, 10, 16, 20, 40, 80

Least Common Multiple of 73 and 80 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 73 and 80, than apply into the LCM equation.

GCF(73,80) = 1
LCM(73,80) = ( 73 × 80) / 1
LCM(73,80) = 5840 / 1
LCM(73,80) = 5840

Properties of LCM 73 and 80

(i) The LCM of 80 and 73 is associative

LCM of 73 and 80 = LCM of 80 and 73

Frequently Asked Questions on LCM of 73 and 80

1. What is the LCM of 73 and 80?

Answer: LCM of 73 and 80 is 5840.

2. What are the Factors of 73?

Answer: Factors of 73 are 1, 73. There are 2 integers that are factors of 73. The greatest factor of 73 is 73.

3. What are the Factors of 80?

Answer: Factors of 80 are 1, 2, 4, 5, 8, 10, 16, 20, 40, 80. There are 10 integers that are factors of 80. The greatest factor of 80 is 80.

4. How to Find the LCM of 73 and 80?

Answer:

Least Common Multiple of 73 and 80 = 5840

Step 1: Find the prime factorization of 73

73 = 73

Step 2: Find the prime factorization of 80

80 = 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 = 5840 = 2 x 2 x 2 x 2 x 5 x 73

Step 4: Therefore, the least common multiple of 73 and 80 is 5840.