What is the Least Common Multiple of 63421 and 63441?

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 63421 and 63441 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 63421 and 63441, than apply into the LCM equation.

GCF(63421,63441) = 1
LCM(63421,63441) = ( 63421 × 63441) / 1
LCM(63421,63441) = 4023491661 / 1
LCM(63421,63441) = 4023491661

Least Common Multiple (LCM) of 63421 and 63441 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 63421 and 63441. First we will calculate the prime factors of 63421 and 63441.

Prime Factorization of 63421

Prime Factorization of 63441

Now multiplying the highest exponent prime factors to calculate the LCM of 63421 and 63441.

LCM(63421,63441) = 63421¹ × 3² × 7¹ × 19¹ × 53¹
LCM(63421,63441) = 4023491661