GCF and LCM Calculator Logo

What is the Least Common Multiple of 78850 and 78862?

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 78850 and 78862 is 3109134350.

LCM(78850,78862) = 3109134350

LCM Calculator and
and

Least Common Multiple of 78850 and 78862 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78850 and 78862, than apply into the LCM equation.

GCF(78850,78862) = 2
LCM(78850,78862) = ( 78850 × 78862) / 2
LCM(78850,78862) = 6218268700 / 2
LCM(78850,78862) = 3109134350

Least Common Multiple (LCM) of 78850 and 78862 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78850 and 78862. First we will calculate the prime factors of 78850 and 78862.

Prime Factorization of 78850

Prime factors of 78850 are 2, 5, 19, 83. Prime factorization of 78850 in exponential form is:

78850 = 21 × 52 × 191 × 831

Prime Factorization of 78862

Prime factors of 78862 are 2, 7, 43, 131. Prime factorization of 78862 in exponential form is:

78862 = 21 × 71 × 431 × 1311

Now multiplying the highest exponent prime factors to calculate the LCM of 78850 and 78862.

LCM(78850,78862) = 21 × 52 × 191 × 831 × 71 × 431 × 1311
LCM(78850,78862) = 3109134350