GCF and LCM Calculator Logo

What is the Least Common Multiple of 40243 and 40248?

Least common multiple or lowest common denominator (lcd) can be calculated in two way; with the LCM formula calculation of greatest common factor (GCF), or multiplying the prime factors with the highest exponent factor.

Least common multiple (LCM) of 40243 and 40248 is 1619700264.

LCM(40243,40248) = 1619700264

LCM Calculator and
and

Least Common Multiple of 40243 and 40248 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40243 and 40248, than apply into the LCM equation.

GCF(40243,40248) = 1
LCM(40243,40248) = ( 40243 × 40248) / 1
LCM(40243,40248) = 1619700264 / 1
LCM(40243,40248) = 1619700264

Least Common Multiple (LCM) of 40243 and 40248 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40243 and 40248. First we will calculate the prime factors of 40243 and 40248.

Prime Factorization of 40243

Prime factors of 40243 are 7, 5749. Prime factorization of 40243 in exponential form is:

40243 = 71 × 57491

Prime Factorization of 40248

Prime factors of 40248 are 2, 3, 13, 43. Prime factorization of 40248 in exponential form is:

40248 = 23 × 32 × 131 × 431

Now multiplying the highest exponent prime factors to calculate the LCM of 40243 and 40248.

LCM(40243,40248) = 71 × 57491 × 23 × 32 × 131 × 431
LCM(40243,40248) = 1619700264