What is the Least Common Multiple of 61430 and 61448?

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 61430 and 61448 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 61430 and 61448, than apply into the LCM equation.

GCF(61430,61448) = 2
LCM(61430,61448) = ( 61430 × 61448) / 2
LCM(61430,61448) = 3774750640 / 2
LCM(61430,61448) = 1887375320

Least Common Multiple (LCM) of 61430 and 61448 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 61430 and 61448. First we will calculate the prime factors of 61430 and 61448.

Prime Factorization of 61430

Prime Factorization of 61448

Now multiplying the highest exponent prime factors to calculate the LCM of 61430 and 61448.

LCM(61430,61448) = 2³ × 5¹ × 6143¹ × 7681¹
LCM(61430,61448) = 1887375320