What is the Least Common Multiple of 70642 and 70653?

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 70642 and 70653 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 70642 and 70653, than apply into the LCM equation.

GCF(70642,70653) = 11
LCM(70642,70653) = ( 70642 × 70653) / 11
LCM(70642,70653) = 4991069226 / 11
LCM(70642,70653) = 453733566

Least Common Multiple (LCM) of 70642 and 70653 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 70642 and 70653. First we will calculate the prime factors of 70642 and 70653.

Prime Factorization of 70642

Prime Factorization of 70653

Now multiplying the highest exponent prime factors to calculate the LCM of 70642 and 70653.

LCM(70642,70653) = 2¹ × 11¹ × 13² × 19¹ × 3¹ × 2141¹
LCM(70642,70653) = 453733566