What is the Least Common Multiple of 70447 and 70460?

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 70447 and 70460 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 70447 and 70460, than apply into the LCM equation.

GCF(70447,70460) = 13
LCM(70447,70460) = ( 70447 × 70460) / 13
LCM(70447,70460) = 4963695620 / 13
LCM(70447,70460) = 381822740

Least Common Multiple (LCM) of 70447 and 70460 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 70447 and 70460. First we will calculate the prime factors of 70447 and 70460.

Prime Factorization of 70447

Prime Factorization of 70460

Now multiplying the highest exponent prime factors to calculate the LCM of 70447 and 70460.

LCM(70447,70460) = 13¹ × 5419¹ × 2² × 5¹ × 271¹
LCM(70447,70460) = 381822740