GCF and LCM Calculator Logo

What is the Least Common Multiple of 53660 and 53680?

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 53660 and 53680 is 144023440.

LCM(53660,53680) = 144023440

LCM Calculator and
and

Least Common Multiple of 53660 and 53680 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 53660 and 53680, than apply into the LCM equation.

GCF(53660,53680) = 20
LCM(53660,53680) = ( 53660 × 53680) / 20
LCM(53660,53680) = 2880468800 / 20
LCM(53660,53680) = 144023440

Least Common Multiple (LCM) of 53660 and 53680 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 53660 and 53680. First we will calculate the prime factors of 53660 and 53680.

Prime Factorization of 53660

Prime factors of 53660 are 2, 5, 2683. Prime factorization of 53660 in exponential form is:

53660 = 22 × 51 × 26831

Prime Factorization of 53680

Prime factors of 53680 are 2, 5, 11, 61. Prime factorization of 53680 in exponential form is:

53680 = 24 × 51 × 111 × 611

Now multiplying the highest exponent prime factors to calculate the LCM of 53660 and 53680.

LCM(53660,53680) = 24 × 51 × 26831 × 111 × 611
LCM(53660,53680) = 144023440