GCF and LCM Calculator Logo

What is the Least Common Multiple of 43603 and 43616?

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 43603 and 43616 is 1901788448.

LCM(43603,43616) = 1901788448

LCM Calculator and
and

Least Common Multiple of 43603 and 43616 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 43603 and 43616, than apply into the LCM equation.

GCF(43603,43616) = 1
LCM(43603,43616) = ( 43603 × 43616) / 1
LCM(43603,43616) = 1901788448 / 1
LCM(43603,43616) = 1901788448

Least Common Multiple (LCM) of 43603 and 43616 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 43603 and 43616. First we will calculate the prime factors of 43603 and 43616.

Prime Factorization of 43603

Prime factors of 43603 are 7, 6229. Prime factorization of 43603 in exponential form is:

43603 = 71 × 62291

Prime Factorization of 43616

Prime factors of 43616 are 2, 29, 47. Prime factorization of 43616 in exponential form is:

43616 = 25 × 291 × 471

Now multiplying the highest exponent prime factors to calculate the LCM of 43603 and 43616.

LCM(43603,43616) = 71 × 62291 × 25 × 291 × 471
LCM(43603,43616) = 1901788448