What is the Least Common Multiple of 68455 and 68475?

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 68455 and 68475 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 68455 and 68475, than apply into the LCM equation.

GCF(68455,68475) = 5
LCM(68455,68475) = ( 68455 × 68475) / 5
LCM(68455,68475) = 4687456125 / 5
LCM(68455,68475) = 937491225

Least Common Multiple (LCM) of 68455 and 68475 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 68455 and 68475. First we will calculate the prime factors of 68455 and 68475.

Prime Factorization of 68455

Prime Factorization of 68475

Now multiplying the highest exponent prime factors to calculate the LCM of 68455 and 68475.

LCM(68455,68475) = 5² × 13691¹ × 3¹ × 11¹ × 83¹
LCM(68455,68475) = 937491225