What is the Least Common Multiple of 43670 and 43688?

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 43670 and 43688 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 43670 and 43688, than apply into the LCM equation.

GCF(43670,43688) = 2
LCM(43670,43688) = ( 43670 × 43688) / 2
LCM(43670,43688) = 1907854960 / 2
LCM(43670,43688) = 953927480

Least Common Multiple (LCM) of 43670 and 43688 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 43670 and 43688. First we will calculate the prime factors of 43670 and 43688.

Prime Factorization of 43670

Prime Factorization of 43688

Now multiplying the highest exponent prime factors to calculate the LCM of 43670 and 43688.

LCM(43670,43688) = 2³ × 5¹ × 11¹ × 397¹ × 43¹ × 127¹
LCM(43670,43688) = 953927480