What is the Least Common Multiple of 56470 and 56489?

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 56470 and 56489 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 56470 and 56489, than apply into the LCM equation.

GCF(56470,56489) = 1
LCM(56470,56489) = ( 56470 × 56489) / 1
LCM(56470,56489) = 3189933830 / 1
LCM(56470,56489) = 3189933830

Least Common Multiple (LCM) of 56470 and 56489 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 56470 and 56489. First we will calculate the prime factors of 56470 and 56489.

Prime Factorization of 56470

Prime Factorization of 56489

Now multiplying the highest exponent prime factors to calculate the LCM of 56470 and 56489.

LCM(56470,56489) = 2¹ × 5¹ × 5647¹ × 56489¹
LCM(56470,56489) = 3189933830