What is the Least Common Multiple of 67005 and 67015?

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 67005 and 67015 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 67005 and 67015, than apply into the LCM equation.

GCF(67005,67015) = 5
LCM(67005,67015) = ( 67005 × 67015) / 5
LCM(67005,67015) = 4490340075 / 5
LCM(67005,67015) = 898068015

Least Common Multiple (LCM) of 67005 and 67015 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 67005 and 67015. First we will calculate the prime factors of 67005 and 67015.

Prime Factorization of 67005

Prime Factorization of 67015

Now multiplying the highest exponent prime factors to calculate the LCM of 67005 and 67015.

LCM(67005,67015) = 3² × 5¹ × 1489¹ × 13¹ × 1031¹
LCM(67005,67015) = 898068015