What is the Least Common Multiple of 63890 and 63906?

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 63890 and 63906 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 63890 and 63906, than apply into the LCM equation.

GCF(63890,63906) = 2
LCM(63890,63906) = ( 63890 × 63906) / 2
LCM(63890,63906) = 4082954340 / 2
LCM(63890,63906) = 2041477170

Least Common Multiple (LCM) of 63890 and 63906 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 63890 and 63906. First we will calculate the prime factors of 63890 and 63906.

Prime Factorization of 63890

Prime Factorization of 63906

Now multiplying the highest exponent prime factors to calculate the LCM of 63890 and 63906.

LCM(63890,63906) = 2¹ × 5¹ × 6389¹ × 3¹ × 10651¹
LCM(63890,63906) = 2041477170