What is the Least Common Multiple of 63770 and 63781?

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 63770 and 63781 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 63770 and 63781, than apply into the LCM equation.

GCF(63770,63781) = 1
LCM(63770,63781) = ( 63770 × 63781) / 1
LCM(63770,63781) = 4067314370 / 1
LCM(63770,63781) = 4067314370

Least Common Multiple (LCM) of 63770 and 63781 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 63770 and 63781. First we will calculate the prime factors of 63770 and 63781.

Prime Factorization of 63770

Prime Factorization of 63781

Now multiplying the highest exponent prime factors to calculate the LCM of 63770 and 63781.

LCM(63770,63781) = 2¹ × 5¹ × 7¹ × 911¹ × 63781¹
LCM(63770,63781) = 4067314370