What is the Least Common Multiple of 56690 and 56705?

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 56690 and 56705 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 56690 and 56705, than apply into the LCM equation.

GCF(56690,56705) = 5
LCM(56690,56705) = ( 56690 × 56705) / 5
LCM(56690,56705) = 3214606450 / 5
LCM(56690,56705) = 642921290

Least Common Multiple (LCM) of 56690 and 56705 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 56690 and 56705. First we will calculate the prime factors of 56690 and 56705.

Prime Factorization of 56690

Prime Factorization of 56705

Now multiplying the highest exponent prime factors to calculate the LCM of 56690 and 56705.

LCM(56690,56705) = 2¹ × 5¹ × 5669¹ × 11¹ × 1031¹
LCM(56690,56705) = 642921290