What is the Least Common Multiple of 89278 and 89285?

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 89278 and 89285 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 89278 and 89285, than apply into the LCM equation.

GCF(89278,89285) = 7
LCM(89278,89285) = ( 89278 × 89285) / 7
LCM(89278,89285) = 7971186230 / 7
LCM(89278,89285) = 1138740890

Least Common Multiple (LCM) of 89278 and 89285 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 89278 and 89285. First we will calculate the prime factors of 89278 and 89285.

Prime Factorization of 89278

Prime Factorization of 89285

Now multiplying the highest exponent prime factors to calculate the LCM of 89278 and 89285.

LCM(89278,89285) = 2¹ × 7² × 911¹ × 5¹ × 2551¹
LCM(89278,89285) = 1138740890