What is the Least Common Multiple of 63620 and 63638?

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 63620 and 63638 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 63620 and 63638, than apply into the LCM equation.

GCF(63620,63638) = 2
LCM(63620,63638) = ( 63620 × 63638) / 2
LCM(63620,63638) = 4048649560 / 2
LCM(63620,63638) = 2024324780

Least Common Multiple (LCM) of 63620 and 63638 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 63620 and 63638. First we will calculate the prime factors of 63620 and 63638.

Prime Factorization of 63620

Prime Factorization of 63638

Now multiplying the highest exponent prime factors to calculate the LCM of 63620 and 63638.

LCM(63620,63638) = 2² × 5¹ × 3181¹ × 47¹ × 677¹
LCM(63620,63638) = 2024324780