What is the Least Common Multiple of 43970 and 43987?

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 43970 and 43987 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 43970 and 43987, than apply into the LCM equation.

GCF(43970,43987) = 1
LCM(43970,43987) = ( 43970 × 43987) / 1
LCM(43970,43987) = 1934108390 / 1
LCM(43970,43987) = 1934108390

Least Common Multiple (LCM) of 43970 and 43987 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 43970 and 43987. First we will calculate the prime factors of 43970 and 43987.

Prime Factorization of 43970

Prime Factorization of 43987

Now multiplying the highest exponent prime factors to calculate the LCM of 43970 and 43987.

LCM(43970,43987) = 2¹ × 5¹ × 4397¹ × 43987¹
LCM(43970,43987) = 1934108390