What is the Least Common Multiple of 70985 and 71003?

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 70985 and 71003 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 70985 and 71003, than apply into the LCM equation.

GCF(70985,71003) = 1
LCM(70985,71003) = ( 70985 × 71003) / 1
LCM(70985,71003) = 5040147955 / 1
LCM(70985,71003) = 5040147955

Least Common Multiple (LCM) of 70985 and 71003 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 70985 and 71003. First we will calculate the prime factors of 70985 and 71003.

Prime Factorization of 70985

Prime Factorization of 71003

Now multiplying the highest exponent prime factors to calculate the LCM of 70985 and 71003.

LCM(70985,71003) = 5¹ × 14197¹ × 19¹ × 37¹ × 101¹
LCM(70985,71003) = 5040147955