What is the Least Common Multiple of 83210 and 83220?

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 83210 and 83220 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 83210 and 83220, than apply into the LCM equation.

GCF(83210,83220) = 10
LCM(83210,83220) = ( 83210 × 83220) / 10
LCM(83210,83220) = 6924736200 / 10
LCM(83210,83220) = 692473620

Least Common Multiple (LCM) of 83210 and 83220 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 83210 and 83220. First we will calculate the prime factors of 83210 and 83220.

Prime Factorization of 83210

Prime Factorization of 83220

Now multiplying the highest exponent prime factors to calculate the LCM of 83210 and 83220.

LCM(83210,83220) = 2² × 5¹ × 53¹ × 157¹ × 3¹ × 19¹ × 73¹
LCM(83210,83220) = 692473620