What is the Least Common Multiple of 69901 and 69921?

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 69901 and 69921 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 69901 and 69921, than apply into the LCM equation.

GCF(69901,69921) = 1
LCM(69901,69921) = ( 69901 × 69921) / 1
LCM(69901,69921) = 4887547821 / 1
LCM(69901,69921) = 4887547821

Least Common Multiple (LCM) of 69901 and 69921 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 69901 and 69921. First we will calculate the prime factors of 69901 and 69921.

Prime Factorization of 69901

Prime Factorization of 69921

Now multiplying the highest exponent prime factors to calculate the LCM of 69901 and 69921.

LCM(69901,69921) = 13¹ × 19¹ × 283¹ × 3² × 17¹ × 457¹
LCM(69901,69921) = 4887547821