GCF and LCM Calculator Logo

What is the Least Common Multiple of 78552 and 78557?

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 78552 and 78557 is 6170809464.

LCM(78552,78557) = 6170809464

LCM Calculator and
and

Least Common Multiple of 78552 and 78557 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78552 and 78557, than apply into the LCM equation.

GCF(78552,78557) = 1
LCM(78552,78557) = ( 78552 × 78557) / 1
LCM(78552,78557) = 6170809464 / 1
LCM(78552,78557) = 6170809464

Least Common Multiple (LCM) of 78552 and 78557 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78552 and 78557. First we will calculate the prime factors of 78552 and 78557.

Prime Factorization of 78552

Prime factors of 78552 are 2, 3, 1091. Prime factorization of 78552 in exponential form is:

78552 = 23 × 32 × 10911

Prime Factorization of 78557

Prime factors of 78557 are 17, 4621. Prime factorization of 78557 in exponential form is:

78557 = 171 × 46211

Now multiplying the highest exponent prime factors to calculate the LCM of 78552 and 78557.

LCM(78552,78557) = 23 × 32 × 10911 × 171 × 46211
LCM(78552,78557) = 6170809464