What is the Least Common Multiple of 83705 and 83715?

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 83705 and 83715 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 83705 and 83715, than apply into the LCM equation.

GCF(83705,83715) = 5
LCM(83705,83715) = ( 83705 × 83715) / 5
LCM(83705,83715) = 7007364075 / 5
LCM(83705,83715) = 1401472815

Least Common Multiple (LCM) of 83705 and 83715 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 83705 and 83715. First we will calculate the prime factors of 83705 and 83715.

Prime Factorization of 83705

Prime Factorization of 83715

Now multiplying the highest exponent prime factors to calculate the LCM of 83705 and 83715.

LCM(83705,83715) = 5¹ × 16741¹ × 3¹ × 5581¹
LCM(83705,83715) = 1401472815