What is the Least Common Multiple of 66421 and 66430?

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 66421 and 66430 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 66421 and 66430, than apply into the LCM equation.

GCF(66421,66430) = 1
LCM(66421,66430) = ( 66421 × 66430) / 1
LCM(66421,66430) = 4412347030 / 1
LCM(66421,66430) = 4412347030

Least Common Multiple (LCM) of 66421 and 66430 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 66421 and 66430. First we will calculate the prime factors of 66421 and 66430.

Prime Factorization of 66421

Prime Factorization of 66430

Now multiplying the highest exponent prime factors to calculate the LCM of 66421 and 66430.

LCM(66421,66430) = 127¹ × 523¹ × 2¹ × 5¹ × 7¹ × 13¹ × 73¹
LCM(66421,66430) = 4412347030