Least Common Multiple of 904 and 905

Created By : Jatin Gogia

Reviewed By : Rajasekhar Valipishetty

Last Updated : Apr 06, 2023


Free LCM Calculator determines the least common multiple (LCM) between 904 and 905 the smallest integer that is 818120 that is divisible by both numbers.

Least Common Multiple (LCM) of 904 and 905 is 818120.

LCM(904,905) = 818120

LCM of 904 and 905

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

LCM of:
and

Least Common Multiple of 904 and 905

LCM of 904 and 905 is 818120

Least common multiple can be found by multiplying the highest exponent prime factors of 904 and 905. First we will calculate the prime factors of 904 and 905.

Prime Factorization of 904


2 904
2 452
2 226
113 113
1

Prime factors of 904 are 2,113. Prime factorization of 904 in exponential form is:

904 = 23×1131

Prime Factorization of 905


5 905
181 181
1

Prime factors of 905 are 5,181. Prime factorization of 905 in exponential form is:

905 = 51×1811

Now multiplying the highest exponent prime factors to calculate the LCM of 904 and 905.

LCM(904,905) = 23×51×1131×1811
LCM(904,905) = 818120

Factors of 904

List of positive integer factors of 904 that divides 904 without a remainder.

1, 2, 4, 8, 113, 226, 452, 904

Factors of 905

List of positive integer factors of 905 that divides 905 without a remainder.

1, 5, 181, 905

Least Common Multiple of 904 and 905 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 904 and 905, than apply into the LCM equation.

GCF(904,905) = 1
LCM(904,905) = ( 904 × 905) / 1
LCM(904,905) = 818120 / 1
LCM(904,905) = 818120

Properties of LCM 904 and 905

(i) The LCM of 905 and 904 is associative

LCM of 904 and 905 = LCM of 905 and 904

Frequently Asked Questions on LCM of 904 and 905

1. What is the LCM of 904 and 905?

Answer: LCM of 904 and 905 is 818120.

2. What are the Factors of 904?

Answer: Factors of 904 are 1, 2, 4, 8, 113, 226, 452, 904. There are 8 integers that are factors of 904. The greatest factor of 904 is 904.

3. What are the Factors of 905?

Answer: Factors of 905 are 1, 5, 181, 905. There are 4 integers that are factors of 905. The greatest factor of 905 is 905.

4. How to Find the LCM of 904 and 905?

Answer:

Least Common Multiple of 904 and 905 = 818120

Step 1: Find the prime factorization of 904

904 = 2 x 2 x 2 x 113

Step 2: Find the prime factorization of 905

905 = 5 x 181

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

LCM = 818120 = 2 x 2 x 2 x 5 x 113 x 181

Step 4: Therefore, the least common multiple of 904 and 905 is 818120.