What is the Least Common Multiple of 69438 and 69455?

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 69438 and 69455 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 69438 and 69455, than apply into the LCM equation.

GCF(69438,69455) = 1
LCM(69438,69455) = ( 69438 × 69455) / 1
LCM(69438,69455) = 4822816290 / 1
LCM(69438,69455) = 4822816290

Least Common Multiple (LCM) of 69438 and 69455 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 69438 and 69455. First we will calculate the prime factors of 69438 and 69455.

Prime Factorization of 69438

Prime Factorization of 69455

Now multiplying the highest exponent prime factors to calculate the LCM of 69438 and 69455.

LCM(69438,69455) = 2¹ × 3¹ × 71¹ × 163¹ × 5¹ × 29¹ × 479¹
LCM(69438,69455) = 4822816290