What is the Least Common Multiple of 64590 and 64603?

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 64590 and 64603 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 64590 and 64603, than apply into the LCM equation.

GCF(64590,64603) = 1
LCM(64590,64603) = ( 64590 × 64603) / 1
LCM(64590,64603) = 4172707770 / 1
LCM(64590,64603) = 4172707770

Least Common Multiple (LCM) of 64590 and 64603 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 64590 and 64603. First we will calculate the prime factors of 64590 and 64603.

Prime Factorization of 64590

Prime Factorization of 64603

Now multiplying the highest exponent prime factors to calculate the LCM of 64590 and 64603.

LCM(64590,64603) = 2¹ × 3¹ × 5¹ × 2153¹ × 7¹ × 11¹ × 839¹
LCM(64590,64603) = 4172707770