What is the Least Common Multiple of 22402 and 22422?

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 22402 and 22422 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 22402 and 22422, than apply into the LCM equation.

GCF(22402,22422) = 2
LCM(22402,22422) = ( 22402 × 22422) / 2
LCM(22402,22422) = 502297644 / 2
LCM(22402,22422) = 251148822

Least Common Multiple (LCM) of 22402 and 22422 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 22402 and 22422. First we will calculate the prime factors of 22402 and 22422.

Prime Factorization of 22402

Prime Factorization of 22422

Now multiplying the highest exponent prime factors to calculate the LCM of 22402 and 22422.

LCM(22402,22422) = 2¹ × 23¹ × 487¹ × 3¹ × 37¹ × 101¹
LCM(22402,22422) = 251148822