What is the Least Common Multiple of 70856 and 70865?

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 70856 and 70865 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 70856 and 70865, than apply into the LCM equation.

GCF(70856,70865) = 1
LCM(70856,70865) = ( 70856 × 70865) / 1
LCM(70856,70865) = 5021210440 / 1
LCM(70856,70865) = 5021210440

Least Common Multiple (LCM) of 70856 and 70865 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 70856 and 70865. First we will calculate the prime factors of 70856 and 70865.

Prime Factorization of 70856

Prime Factorization of 70865

Now multiplying the highest exponent prime factors to calculate the LCM of 70856 and 70865.

LCM(70856,70865) = 2³ × 17¹ × 521¹ × 5¹ × 14173¹
LCM(70856,70865) = 5021210440