What is the Least Common Multiple of 98215 and 98220?

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 98215 and 98220 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 98215 and 98220, than apply into the LCM equation.

GCF(98215,98220) = 5
LCM(98215,98220) = ( 98215 × 98220) / 5
LCM(98215,98220) = 9646677300 / 5
LCM(98215,98220) = 1929335460

Least Common Multiple (LCM) of 98215 and 98220 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 98215 and 98220. First we will calculate the prime factors of 98215 and 98220.

Prime Factorization of 98215

Prime Factorization of 98220

Now multiplying the highest exponent prime factors to calculate the LCM of 98215 and 98220.

LCM(98215,98220) = 5¹ × 13¹ × 1511¹ × 2² × 3¹ × 1637¹
LCM(98215,98220) = 1929335460