GCF and LCM Calculator Logo

What is the Least Common Multiple of 75730 and 75748?

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 75730 and 75748 is 2868198020.

LCM(75730,75748) = 2868198020

LCM Calculator and
and

Least Common Multiple of 75730 and 75748 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 75730 and 75748, than apply into the LCM equation.

GCF(75730,75748) = 2
LCM(75730,75748) = ( 75730 × 75748) / 2
LCM(75730,75748) = 5736396040 / 2
LCM(75730,75748) = 2868198020

Least Common Multiple (LCM) of 75730 and 75748 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 75730 and 75748. First we will calculate the prime factors of 75730 and 75748.

Prime Factorization of 75730

Prime factors of 75730 are 2, 5, 7573. Prime factorization of 75730 in exponential form is:

75730 = 21 × 51 × 75731

Prime Factorization of 75748

Prime factors of 75748 are 2, 29, 653. Prime factorization of 75748 in exponential form is:

75748 = 22 × 291 × 6531

Now multiplying the highest exponent prime factors to calculate the LCM of 75730 and 75748.

LCM(75730,75748) = 22 × 51 × 75731 × 291 × 6531
LCM(75730,75748) = 2868198020