Least Common Multiple of 21479 and 21485

Created By : Jatin Gogia

Reviewed By : Rajasekhar Valipishetty

Last Updated : Apr 06, 2023


Free LCM Calculator determines the least common multiple (LCM) between 21479 and 21485 the smallest integer that is 461476315 that is divisible by both numbers.

Least Common Multiple (LCM) of 21479 and 21485 is 461476315.

LCM(21479,21485) = 461476315

LCM of 21479 and 21485

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

LCM of:
and

Least Common Multiple of 21479 and 21485

LCM of 21479 and 21485 is 461476315

Least common multiple can be found by multiplying the highest exponent prime factors of 21479 and 21485. First we will calculate the prime factors of 21479 and 21485.

Prime Factorization of 21479


47 21479
457 457
1

Prime factors of 21479 are 47,457. Prime factorization of 21479 in exponential form is:

21479 = 471×4571

Prime Factorization of 21485


5 21485
4297 4297
1

Prime factors of 21485 are 5,4297. Prime factorization of 21485 in exponential form is:

21485 = 51×42971

Now multiplying the highest exponent prime factors to calculate the LCM of 21479 and 21485.

LCM(21479,21485) = 51×471×4571×42971
LCM(21479,21485) = 461476315

Factors of 21479

List of positive integer factors of 21479 that divides 21479 without a remainder.

1, 47, 457, 21479

Factors of 21485

List of positive integer factors of 21485 that divides 21485 without a remainder.

1, 5, 4297, 21485

Least Common Multiple of 21479 and 21485 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 21479 and 21485, than apply into the LCM equation.

GCF(21479,21485) = 1
LCM(21479,21485) = ( 21479 × 21485) / 1
LCM(21479,21485) = 461476315 / 1
LCM(21479,21485) = 461476315

Properties of LCM 21479 and 21485

(i) The LCM of 21485 and 21479 is associative

LCM of 21479 and 21485 = LCM of 21485 and 21479

Frequently Asked Questions on LCM of 21479 and 21485

1. What is the LCM of 21479 and 21485?

Answer: LCM of 21479 and 21485 is 461476315.

2. What are the Factors of 21479?

Answer: Factors of 21479 are 1, 47, 457, 21479. There are 4 integers that are factors of 21479. The greatest factor of 21479 is 21479.

3. What are the Factors of 21485?

Answer: Factors of 21485 are 1, 5, 4297, 21485. There are 4 integers that are factors of 21485. The greatest factor of 21485 is 21485.

4. How to Find the LCM of 21479 and 21485?

Answer:

Least Common Multiple of 21479 and 21485 = 461476315

Step 1: Find the prime factorization of 21479

21479 = 47 x 457

Step 2: Find the prime factorization of 21485

21485 = 5 x 4297

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

LCM = 461476315 = 5 x 47 x 457 x 4297

Step 4: Therefore, the least common multiple of 21479 and 21485 is 461476315.