What is the Least Common Multiple of 71222 and 71242?

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 71222 and 71242 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 71222 and 71242, than apply into the LCM equation.

GCF(71222,71242) = 2
LCM(71222,71242) = ( 71222 × 71242) / 2
LCM(71222,71242) = 5073997724 / 2
LCM(71222,71242) = 2536998862

Least Common Multiple (LCM) of 71222 and 71242 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 71222 and 71242. First we will calculate the prime factors of 71222 and 71242.

Prime Factorization of 71222

Prime Factorization of 71242

Now multiplying the highest exponent prime factors to calculate the LCM of 71222 and 71242.

LCM(71222,71242) = 2¹ × 149¹ × 239¹ × 179¹ × 199¹
LCM(71222,71242) = 2536998862