Least Common Multiple of 7885 and 7890

Created By : Jatin Gogia

Reviewed By : Rajasekhar Valipishetty

Last Updated : Apr 06, 2023


Free LCM Calculator determines the least common multiple (LCM) between 7885 and 7890 the smallest integer that is 12442530 that is divisible by both numbers.

Least Common Multiple (LCM) of 7885 and 7890 is 12442530.

LCM(7885,7890) = 12442530

LCM of 7885 and 7890

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

LCM of:
and

Least Common Multiple of 7885 and 7890

LCM of 7885 and 7890 is 12442530

Least common multiple can be found by multiplying the highest exponent prime factors of 7885 and 7890. First we will calculate the prime factors of 7885 and 7890.

Prime Factorization of 7885


5 7885
19 1577
83 83
1

Prime factors of 7885 are 5, 19,83. Prime factorization of 7885 in exponential form is:

7885 = 51×191×831

Prime Factorization of 7890


2 7890
3 3945
5 1315
263 263
1

Prime factors of 7890 are 2, 3, 5,263. Prime factorization of 7890 in exponential form is:

7890 = 21×31×51×2631

Now multiplying the highest exponent prime factors to calculate the LCM of 7885 and 7890.

LCM(7885,7890) = 21×31×51×191×831×2631
LCM(7885,7890) = 12442530

Factors of 7885

List of positive integer factors of 7885 that divides 7885 without a remainder.

1, 5, 19, 83, 95, 415, 1577, 7885

Factors of 7890

List of positive integer factors of 7890 that divides 7890 without a remainder.

1, 2, 3, 5, 6, 10, 15, 30, 263, 526, 789, 1315, 1578, 2630, 3945, 7890

Least Common Multiple of 7885 and 7890 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 7885 and 7890, than apply into the LCM equation.

GCF(7885,7890) = 5
LCM(7885,7890) = ( 7885 × 7890) / 5
LCM(7885,7890) = 62212650 / 5
LCM(7885,7890) = 12442530

Properties of LCM 7885 and 7890

(i) The LCM of 7890 and 7885 is associative

LCM of 7885 and 7890 = LCM of 7890 and 7885

Frequently Asked Questions on LCM of 7885 and 7890

1. What is the LCM of 7885 and 7890?

Answer: LCM of 7885 and 7890 is 12442530.

2. What are the Factors of 7885?

Answer: Factors of 7885 are 1, 5, 19, 83, 95, 415, 1577, 7885. There are 8 integers that are factors of 7885. The greatest factor of 7885 is 7885.

3. What are the Factors of 7890?

Answer: Factors of 7890 are 1, 2, 3, 5, 6, 10, 15, 30, 263, 526, 789, 1315, 1578, 2630, 3945, 7890. There are 16 integers that are factors of 7890. The greatest factor of 7890 is 7890.

4. How to Find the LCM of 7885 and 7890?

Answer:

Least Common Multiple of 7885 and 7890 = 12442530

Step 1: Find the prime factorization of 7885

7885 = 5 x 19 x 83

Step 2: Find the prime factorization of 7890

7890 = 2 x 3 x 5 x 263

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

LCM = 12442530 = 2 x 3 x 5 x 19 x 83 x 263

Step 4: Therefore, the least common multiple of 7885 and 7890 is 12442530.