What is the Least Common Multiple of 70921 and 70938?

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 70921 and 70938 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 70921 and 70938, than apply into the LCM equation.

GCF(70921,70938) = 1
LCM(70921,70938) = ( 70921 × 70938) / 1
LCM(70921,70938) = 5030993898 / 1
LCM(70921,70938) = 5030993898

Least Common Multiple (LCM) of 70921 and 70938 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 70921 and 70938. First we will calculate the prime factors of 70921 and 70938.

Prime Factorization of 70921

Prime Factorization of 70938

Now multiplying the highest exponent prime factors to calculate the LCM of 70921 and 70938.

LCM(70921,70938) = 70921¹ × 2¹ × 3² × 7¹ × 563¹
LCM(70921,70938) = 5030993898