What is the Least Common Multiple of 84040 and 84047?

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 84040 and 84047 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 84040 and 84047, than apply into the LCM equation.

GCF(84040,84047) = 1
LCM(84040,84047) = ( 84040 × 84047) / 1
LCM(84040,84047) = 7063309880 / 1
LCM(84040,84047) = 7063309880

Least Common Multiple (LCM) of 84040 and 84047 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 84040 and 84047. First we will calculate the prime factors of 84040 and 84047.

Prime Factorization of 84040

Prime Factorization of 84047

Now multiplying the highest exponent prime factors to calculate the LCM of 84040 and 84047.

LCM(84040,84047) = 2³ × 5¹ × 11¹ × 191¹ × 84047¹
LCM(84040,84047) = 7063309880