What is the Least Common Multiple of 63138 and 63157?

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 63138 and 63157 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 63138 and 63157, than apply into the LCM equation.

GCF(63138,63157) = 1
LCM(63138,63157) = ( 63138 × 63157) / 1
LCM(63138,63157) = 3987606666 / 1
LCM(63138,63157) = 3987606666

Least Common Multiple (LCM) of 63138 and 63157 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 63138 and 63157. First we will calculate the prime factors of 63138 and 63157.

Prime Factorization of 63138

Prime Factorization of 63157

Now multiplying the highest exponent prime factors to calculate the LCM of 63138 and 63157.

LCM(63138,63157) = 2¹ × 3¹ × 17¹ × 619¹ × 137¹ × 461¹
LCM(63138,63157) = 3987606666