What is the Least Common Multiple of 63905 and 63910?

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 63905 and 63910 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 63905 and 63910, than apply into the LCM equation.

GCF(63905,63910) = 5
LCM(63905,63910) = ( 63905 × 63910) / 5
LCM(63905,63910) = 4084168550 / 5
LCM(63905,63910) = 816833710

Least Common Multiple (LCM) of 63905 and 63910 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 63905 and 63910. First we will calculate the prime factors of 63905 and 63910.

Prime Factorization of 63905

Prime Factorization of 63910

Now multiplying the highest exponent prime factors to calculate the LCM of 63905 and 63910.

LCM(63905,63910) = 5¹ × 12781¹ × 2¹ × 7¹ × 11¹ × 83¹
LCM(63905,63910) = 816833710