What is the Least Common Multiple of 87070 and 87078?

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 87070 and 87078 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 87070 and 87078, than apply into the LCM equation.

GCF(87070,87078) = 2
LCM(87070,87078) = ( 87070 × 87078) / 2
LCM(87070,87078) = 7581881460 / 2
LCM(87070,87078) = 3790940730

Least Common Multiple (LCM) of 87070 and 87078 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 87070 and 87078. First we will calculate the prime factors of 87070 and 87078.

Prime Factorization of 87070

Prime Factorization of 87078

Now multiplying the highest exponent prime factors to calculate the LCM of 87070 and 87078.

LCM(87070,87078) = 2¹ × 5¹ × 8707¹ × 3¹ × 23¹ × 631¹
LCM(87070,87078) = 3790940730