What is the Least Common Multiple of 8490 and 8497?

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 8490 and 8497 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 8490 and 8497, than apply into the LCM equation.

GCF(8490,8497) = 1
LCM(8490,8497) = ( 8490 × 8497) / 1
LCM(8490,8497) = 72139530 / 1
LCM(8490,8497) = 72139530

Least Common Multiple (LCM) of 8490 and 8497 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 8490 and 8497. First we will calculate the prime factors of 8490 and 8497.

Prime Factorization of 8490

Prime Factorization of 8497

Now multiplying the highest exponent prime factors to calculate the LCM of 8490 and 8497.

LCM(8490,8497) = 2¹ × 3¹ × 5¹ × 283¹ × 29¹ × 293¹
LCM(8490,8497) = 72139530