What is the Least Common Multiple of 56990 and 57005?

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 56990 and 57005 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 56990 and 57005, than apply into the LCM equation.

GCF(56990,57005) = 5
LCM(56990,57005) = ( 56990 × 57005) / 5
LCM(56990,57005) = 3248714950 / 5
LCM(56990,57005) = 649742990

Least Common Multiple (LCM) of 56990 and 57005 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 56990 and 57005. First we will calculate the prime factors of 56990 and 57005.

Prime Factorization of 56990

Prime Factorization of 57005

Now multiplying the highest exponent prime factors to calculate the LCM of 56990 and 57005.

LCM(56990,57005) = 2¹ × 5¹ × 41¹ × 139¹ × 13¹ × 877¹
LCM(56990,57005) = 649742990