What is the Least Common Multiple of 67070 and 67090?

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 67070 and 67090 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 67070 and 67090, than apply into the LCM equation.

GCF(67070,67090) = 10
LCM(67070,67090) = ( 67070 × 67090) / 10
LCM(67070,67090) = 4499726300 / 10
LCM(67070,67090) = 449972630

Least Common Multiple (LCM) of 67070 and 67090 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 67070 and 67090. First we will calculate the prime factors of 67070 and 67090.

Prime Factorization of 67070

Prime Factorization of 67090

Now multiplying the highest exponent prime factors to calculate the LCM of 67070 and 67090.

LCM(67070,67090) = 2¹ × 5¹ × 19¹ × 353¹ × 6709¹
LCM(67070,67090) = 449972630