What is the Least Common Multiple of 84290 and 84305?

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 84290 and 84305 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 84290 and 84305, than apply into the LCM equation.

GCF(84290,84305) = 5
LCM(84290,84305) = ( 84290 × 84305) / 5
LCM(84290,84305) = 7106068450 / 5
LCM(84290,84305) = 1421213690

Least Common Multiple (LCM) of 84290 and 84305 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 84290 and 84305. First we will calculate the prime factors of 84290 and 84305.

Prime Factorization of 84290

Prime Factorization of 84305

Now multiplying the highest exponent prime factors to calculate the LCM of 84290 and 84305.

LCM(84290,84305) = 2¹ × 5¹ × 8429¹ × 13¹ × 1297¹
LCM(84290,84305) = 1421213690