What is the Least Common Multiple of 57445 and 57455?

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 57445 and 57455 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 57445 and 57455, than apply into the LCM equation.

GCF(57445,57455) = 5
LCM(57445,57455) = ( 57445 × 57455) / 5
LCM(57445,57455) = 3300502475 / 5
LCM(57445,57455) = 660100495

Least Common Multiple (LCM) of 57445 and 57455 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 57445 and 57455. First we will calculate the prime factors of 57445 and 57455.

Prime Factorization of 57445

Prime Factorization of 57455

Now multiplying the highest exponent prime factors to calculate the LCM of 57445 and 57455.

LCM(57445,57455) = 5¹ × 11489¹ × 11491¹
LCM(57445,57455) = 660100495