What is the Least Common Multiple of 79458 and 79478?

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 of 79458 and 79478 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 79458 and 79478, than apply into the LCM equation.

GCF(79458,79478) = 2
LCM(79458,79478) = ( 79458 × 79478) / 2
LCM(79458,79478) = 6315162924 / 2
LCM(79458,79478) = 3157581462

Least Common Multiple (LCM) of 79458 and 79478 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 79458 and 79478. First we will calculate the prime factors of 79458 and 79478.

Prime Factorization of 79458

Prime Factorization of 79478

Now multiplying the highest exponent prime factors to calculate the LCM of 79458 and 79478.

LCM(79458,79478) = 2¹ × 3¹ × 17¹ × 19¹ × 41¹ × 7² × 811¹
LCM(79458,79478) = 3157581462