What is the Least Common Multiple of 76705 and 76715?

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 76705 and 76715 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 76705 and 76715, than apply into the LCM equation.

GCF(76705,76715) = 5
LCM(76705,76715) = ( 76705 × 76715) / 5
LCM(76705,76715) = 5884424075 / 5
LCM(76705,76715) = 1176884815

Least Common Multiple (LCM) of 76705 and 76715 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 76705 and 76715. First we will calculate the prime factors of 76705 and 76715.

Prime Factorization of 76705

Prime Factorization of 76715

Now multiplying the highest exponent prime factors to calculate the LCM of 76705 and 76715.

LCM(76705,76715) = 5¹ × 23² × 29¹ × 67¹ × 229¹
LCM(76705,76715) = 1176884815