GCF and LCM Calculator Logo

What is the Least Common Multiple of 73478 and 73491?

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 73478 and 73491 is 5399971698.

LCM(73478,73491) = 5399971698

LCM Calculator and
and

Least Common Multiple of 73478 and 73491 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 73478 and 73491, than apply into the LCM equation.

GCF(73478,73491) = 1
LCM(73478,73491) = ( 73478 × 73491) / 1
LCM(73478,73491) = 5399971698 / 1
LCM(73478,73491) = 5399971698

Least Common Multiple (LCM) of 73478 and 73491 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 73478 and 73491. First we will calculate the prime factors of 73478 and 73491.

Prime Factorization of 73478

Prime factors of 73478 are 2, 36739. Prime factorization of 73478 in exponential form is:

73478 = 21 × 367391

Prime Factorization of 73491

Prime factors of 73491 are 3, 11, 17, 131. Prime factorization of 73491 in exponential form is:

73491 = 31 × 111 × 171 × 1311

Now multiplying the highest exponent prime factors to calculate the LCM of 73478 and 73491.

LCM(73478,73491) = 21 × 367391 × 31 × 111 × 171 × 1311
LCM(73478,73491) = 5399971698