What is the Least Common Multiple of 72101 and 72105?

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 72101 and 72105 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 72101 and 72105, than apply into the LCM equation.

GCF(72101,72105) = 1
LCM(72101,72105) = ( 72101 × 72105) / 1
LCM(72101,72105) = 5198842605 / 1
LCM(72101,72105) = 5198842605

Least Common Multiple (LCM) of 72101 and 72105 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 72101 and 72105. First we will calculate the prime factors of 72101 and 72105.

Prime Factorization of 72101

Prime Factorization of 72105

Now multiplying the highest exponent prime factors to calculate the LCM of 72101 and 72105.

LCM(72101,72105) = 72101¹ × 3¹ × 5¹ × 11¹ × 19¹ × 23¹
LCM(72101,72105) = 5198842605