What is the Least Common Multiple of 53509 and 53521?

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 53509 and 53521 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 53509 and 53521, than apply into the LCM equation.

GCF(53509,53521) = 1
LCM(53509,53521) = ( 53509 × 53521) / 1
LCM(53509,53521) = 2863855189 / 1
LCM(53509,53521) = 2863855189

Least Common Multiple (LCM) of 53509 and 53521 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 53509 and 53521. First we will calculate the prime factors of 53509 and 53521.

Prime Factorization of 53509

Prime Factorization of 53521

Now multiplying the highest exponent prime factors to calculate the LCM of 53509 and 53521.

LCM(53509,53521) = 73¹ × 733¹ × 13¹ × 23¹ × 179¹
LCM(53509,53521) = 2863855189