GCF and LCM Calculator Logo

What is the Least Common Multiple of 78342 and 78350?

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 78342 and 78350 is 3069047850.

LCM(78342,78350) = 3069047850

LCM Calculator and
and

Least Common Multiple of 78342 and 78350 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78342 and 78350, than apply into the LCM equation.

GCF(78342,78350) = 2
LCM(78342,78350) = ( 78342 × 78350) / 2
LCM(78342,78350) = 6138095700 / 2
LCM(78342,78350) = 3069047850

Least Common Multiple (LCM) of 78342 and 78350 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78342 and 78350. First we will calculate the prime factors of 78342 and 78350.

Prime Factorization of 78342

Prime factors of 78342 are 2, 3, 11, 1187. Prime factorization of 78342 in exponential form is:

78342 = 21 × 31 × 111 × 11871

Prime Factorization of 78350

Prime factors of 78350 are 2, 5, 1567. Prime factorization of 78350 in exponential form is:

78350 = 21 × 52 × 15671

Now multiplying the highest exponent prime factors to calculate the LCM of 78342 and 78350.

LCM(78342,78350) = 21 × 31 × 111 × 11871 × 52 × 15671
LCM(78342,78350) = 3069047850