What is the Least Common Multiple of 63638 and 63646?

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 63638 and 63646 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 63638 and 63646, than apply into the LCM equation.

GCF(63638,63646) = 2
LCM(63638,63646) = ( 63638 × 63646) / 2
LCM(63638,63646) = 4050304148 / 2
LCM(63638,63646) = 2025152074

Least Common Multiple (LCM) of 63638 and 63646 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 63638 and 63646. First we will calculate the prime factors of 63638 and 63646.

Prime Factorization of 63638

Prime Factorization of 63646

Now multiplying the highest exponent prime factors to calculate the LCM of 63638 and 63646.

LCM(63638,63646) = 2¹ × 47¹ × 677¹ × 11² × 263¹
LCM(63638,63646) = 2025152074