GCF and LCM Calculator Logo

What is the Least Common Multiple of 78554 and 78573?

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 78554 and 78573 is 6172223442.

LCM(78554,78573) = 6172223442

LCM Calculator and
and

Least Common Multiple of 78554 and 78573 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78554 and 78573, than apply into the LCM equation.

GCF(78554,78573) = 1
LCM(78554,78573) = ( 78554 × 78573) / 1
LCM(78554,78573) = 6172223442 / 1
LCM(78554,78573) = 6172223442

Least Common Multiple (LCM) of 78554 and 78573 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78554 and 78573. First we will calculate the prime factors of 78554 and 78573.

Prime Factorization of 78554

Prime factors of 78554 are 2, 7, 31, 181. Prime factorization of 78554 in exponential form is:

78554 = 21 × 71 × 311 × 1811

Prime Factorization of 78573

Prime factors of 78573 are 3, 11, 2381. Prime factorization of 78573 in exponential form is:

78573 = 31 × 111 × 23811

Now multiplying the highest exponent prime factors to calculate the LCM of 78554 and 78573.

LCM(78554,78573) = 21 × 71 × 311 × 1811 × 31 × 111 × 23811
LCM(78554,78573) = 6172223442