GCF and LCM Calculator Logo

What is the Least Common Multiple of 53618 and 53638?

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 53618 and 53638 is 1437981142.

LCM(53618,53638) = 1437981142

LCM Calculator and
and

Least Common Multiple of 53618 and 53638 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 53618 and 53638, than apply into the LCM equation.

GCF(53618,53638) = 2
LCM(53618,53638) = ( 53618 × 53638) / 2
LCM(53618,53638) = 2875962284 / 2
LCM(53618,53638) = 1437981142

Least Common Multiple (LCM) of 53618 and 53638 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 53618 and 53638. First we will calculate the prime factors of 53618 and 53638.

Prime Factorization of 53618

Prime factors of 53618 are 2, 17, 19, 83. Prime factorization of 53618 in exponential form is:

53618 = 21 × 171 × 191 × 831

Prime Factorization of 53638

Prime factors of 53638 are 2, 13, 2063. Prime factorization of 53638 in exponential form is:

53638 = 21 × 131 × 20631

Now multiplying the highest exponent prime factors to calculate the LCM of 53618 and 53638.

LCM(53618,53638) = 21 × 171 × 191 × 831 × 131 × 20631
LCM(53618,53638) = 1437981142