What is the Least Common Multiple of 71258 and 71278?

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 71258 and 71278 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 71258 and 71278, than apply into the LCM equation.

GCF(71258,71278) = 2
LCM(71258,71278) = ( 71258 × 71278) / 2
LCM(71258,71278) = 5079127724 / 2
LCM(71258,71278) = 2539563862

Least Common Multiple (LCM) of 71258 and 71278 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 71258 and 71278. First we will calculate the prime factors of 71258 and 71278.

Prime Factorization of 71258

Prime Factorization of 71278

Now multiplying the highest exponent prime factors to calculate the LCM of 71258 and 71278.

LCM(71258,71278) = 2¹ × 11¹ × 41¹ × 79¹ × 157¹ × 227¹
LCM(71258,71278) = 2539563862