What is the Least Common Multiple of 63971 and 63981?

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 63971 and 63981 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 63971 and 63981, than apply into the LCM equation.

GCF(63971,63981) = 1
LCM(63971,63981) = ( 63971 × 63981) / 1
LCM(63971,63981) = 4092928551 / 1
LCM(63971,63981) = 4092928551

Least Common Multiple (LCM) of 63971 and 63981 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 63971 and 63981. First we will calculate the prime factors of 63971 and 63981.

Prime Factorization of 63971

Prime Factorization of 63981

Now multiplying the highest exponent prime factors to calculate the LCM of 63971 and 63981.

LCM(63971,63981) = 17¹ × 53¹ × 71¹ × 3² × 7109¹
LCM(63971,63981) = 4092928551