What is the Least Common Multiple of 67490 and 67507?

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 67490 and 67507 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 67490 and 67507, than apply into the LCM equation.

GCF(67490,67507) = 17
LCM(67490,67507) = ( 67490 × 67507) / 17
LCM(67490,67507) = 4556047430 / 17
LCM(67490,67507) = 268002790

Least Common Multiple (LCM) of 67490 and 67507 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 67490 and 67507. First we will calculate the prime factors of 67490 and 67507.

Prime Factorization of 67490

Prime Factorization of 67507

Now multiplying the highest exponent prime factors to calculate the LCM of 67490 and 67507.

LCM(67490,67507) = 2¹ × 5¹ × 17¹ × 397¹ × 11¹ × 19²
LCM(67490,67507) = 268002790