What is the Least Common Multiple of 62878 and 62890?

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 62878 and 62890 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 62878 and 62890, than apply into the LCM equation.

GCF(62878,62890) = 2
LCM(62878,62890) = ( 62878 × 62890) / 2
LCM(62878,62890) = 3954397420 / 2
LCM(62878,62890) = 1977198710

Least Common Multiple (LCM) of 62878 and 62890 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 62878 and 62890. First we will calculate the prime factors of 62878 and 62890.

Prime Factorization of 62878

Prime Factorization of 62890

Now multiplying the highest exponent prime factors to calculate the LCM of 62878 and 62890.

LCM(62878,62890) = 2¹ × 149¹ × 211¹ × 5¹ × 19¹ × 331¹
LCM(62878,62890) = 1977198710