What is the Least Common Multiple of 69971 and 69982?

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 69971 and 69982 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 69971 and 69982, than apply into the LCM equation.

GCF(69971,69982) = 11
LCM(69971,69982) = ( 69971 × 69982) / 11
LCM(69971,69982) = 4896710522 / 11
LCM(69971,69982) = 445155502

Least Common Multiple (LCM) of 69971 and 69982 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 69971 and 69982. First we will calculate the prime factors of 69971 and 69982.

Prime Factorization of 69971

Prime Factorization of 69982

Now multiplying the highest exponent prime factors to calculate the LCM of 69971 and 69982.

LCM(69971,69982) = 11¹ × 6361¹ × 2¹ × 3181¹
LCM(69971,69982) = 445155502