What is the Least Common Multiple of 70542 and 70558?

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 70542 and 70558 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 70542 and 70558, than apply into the LCM equation.

GCF(70542,70558) = 2
LCM(70542,70558) = ( 70542 × 70558) / 2
LCM(70542,70558) = 4977302436 / 2
LCM(70542,70558) = 2488651218

Least Common Multiple (LCM) of 70542 and 70558 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 70542 and 70558. First we will calculate the prime factors of 70542 and 70558.

Prime Factorization of 70542

Prime Factorization of 70558

Now multiplying the highest exponent prime factors to calculate the LCM of 70542 and 70558.

LCM(70542,70558) = 2¹ × 3² × 3919¹ × 35279¹
LCM(70542,70558) = 2488651218