What is the Least Common Multiple of 87451 and 87470?

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 87451 and 87470 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 87451 and 87470, than apply into the LCM equation.

GCF(87451,87470) = 1
LCM(87451,87470) = ( 87451 × 87470) / 1
LCM(87451,87470) = 7649338970 / 1
LCM(87451,87470) = 7649338970

Least Common Multiple (LCM) of 87451 and 87470 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 87451 and 87470. First we will calculate the prime factors of 87451 and 87470.

Prime Factorization of 87451

Prime Factorization of 87470

Now multiplying the highest exponent prime factors to calculate the LCM of 87451 and 87470.

LCM(87451,87470) = 7¹ × 13¹ × 31² × 2¹ × 5¹ × 8747¹
LCM(87451,87470) = 7649338970