What is the Least Common Multiple of 10220 and 10235?

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 10220 and 10235 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 10220 and 10235, than apply into the LCM equation.

GCF(10220,10235) = 5
LCM(10220,10235) = ( 10220 × 10235) / 5
LCM(10220,10235) = 104601700 / 5
LCM(10220,10235) = 20920340

Least Common Multiple (LCM) of 10220 and 10235 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 10220 and 10235. First we will calculate the prime factors of 10220 and 10235.

Prime Factorization of 10220

Prime Factorization of 10235

Now multiplying the highest exponent prime factors to calculate the LCM of 10220 and 10235.

LCM(10220,10235) = 2² × 5¹ × 7¹ × 73¹ × 23¹ × 89¹
LCM(10220,10235) = 20920340