What is the Least Common Multiple of 69556 and 69568?

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 69556 and 69568 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 69556 and 69568, than apply into the LCM equation.

GCF(69556,69568) = 4
LCM(69556,69568) = ( 69556 × 69568) / 4
LCM(69556,69568) = 4838871808 / 4
LCM(69556,69568) = 1209717952

Least Common Multiple (LCM) of 69556 and 69568 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 69556 and 69568. First we will calculate the prime factors of 69556 and 69568.

Prime Factorization of 69556

Prime Factorization of 69568

Now multiplying the highest exponent prime factors to calculate the LCM of 69556 and 69568.

LCM(69556,69568) = 2⁶ × 17389¹ × 1087¹
LCM(69556,69568) = 1209717952