What is the Least Common Multiple of 70418 and 70431?

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 70418 and 70431 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 70418 and 70431, than apply into the LCM equation.

GCF(70418,70431) = 1
LCM(70418,70431) = ( 70418 × 70431) / 1
LCM(70418,70431) = 4959610158 / 1
LCM(70418,70431) = 4959610158

Least Common Multiple (LCM) of 70418 and 70431 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 70418 and 70431. First we will calculate the prime factors of 70418 and 70431.

Prime Factorization of 70418

Prime Factorization of 70431

Now multiplying the highest exponent prime factors to calculate the LCM of 70418 and 70431.

LCM(70418,70431) = 2¹ × 137¹ × 257¹ × 3¹ × 17¹ × 1381¹
LCM(70418,70431) = 4959610158