What is the Least Common Multiple of 85780 and 85787?

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 85780 and 85787 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 85780 and 85787, than apply into the LCM equation.

GCF(85780,85787) = 1
LCM(85780,85787) = ( 85780 × 85787) / 1
LCM(85780,85787) = 7358808860 / 1
LCM(85780,85787) = 7358808860

Least Common Multiple (LCM) of 85780 and 85787 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 85780 and 85787. First we will calculate the prime factors of 85780 and 85787.

Prime Factorization of 85780

Prime Factorization of 85787

Now multiplying the highest exponent prime factors to calculate the LCM of 85780 and 85787.

LCM(85780,85787) = 2² × 5¹ × 4289¹ × 13¹ × 6599¹
LCM(85780,85787) = 7358808860