GCF and LCM Calculator Logo

What is the Least Common Multiple of 78535 and 78550?

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 78535 and 78550 is 1233784850.

LCM(78535,78550) = 1233784850

LCM Calculator and
and

Least Common Multiple of 78535 and 78550 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78535 and 78550, than apply into the LCM equation.

GCF(78535,78550) = 5
LCM(78535,78550) = ( 78535 × 78550) / 5
LCM(78535,78550) = 6168924250 / 5
LCM(78535,78550) = 1233784850

Least Common Multiple (LCM) of 78535 and 78550 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78535 and 78550. First we will calculate the prime factors of 78535 and 78550.

Prime Factorization of 78535

Prime factors of 78535 are 5, 113, 139. Prime factorization of 78535 in exponential form is:

78535 = 51 × 1131 × 1391

Prime Factorization of 78550

Prime factors of 78550 are 2, 5, 1571. Prime factorization of 78550 in exponential form is:

78550 = 21 × 52 × 15711

Now multiplying the highest exponent prime factors to calculate the LCM of 78535 and 78550.

LCM(78535,78550) = 52 × 1131 × 1391 × 21 × 15711
LCM(78535,78550) = 1233784850