What is the Least Common Multiple of 53490 and 53506?

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 53490 and 53506 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 53490 and 53506, than apply into the LCM equation.

GCF(53490,53506) = 2
LCM(53490,53506) = ( 53490 × 53506) / 2
LCM(53490,53506) = 2862035940 / 2
LCM(53490,53506) = 1431017970

Least Common Multiple (LCM) of 53490 and 53506 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 53490 and 53506. First we will calculate the prime factors of 53490 and 53506.

Prime Factorization of 53490

Prime Factorization of 53506

Now multiplying the highest exponent prime factors to calculate the LCM of 53490 and 53506.

LCM(53490,53506) = 2¹ × 3¹ × 5¹ × 1783¹ × 31¹ × 863¹
LCM(53490,53506) = 1431017970