What is the Least Common Multiple of 39402 and 39410?

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 39402 and 39410 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 39402 and 39410, than apply into the LCM equation.

GCF(39402,39410) = 2
LCM(39402,39410) = ( 39402 × 39410) / 2
LCM(39402,39410) = 1552832820 / 2
LCM(39402,39410) = 776416410

Least Common Multiple (LCM) of 39402 and 39410 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 39402 and 39410. First we will calculate the prime factors of 39402 and 39410.

Prime Factorization of 39402

Prime Factorization of 39410

Now multiplying the highest exponent prime factors to calculate the LCM of 39402 and 39410.

LCM(39402,39410) = 2¹ × 3² × 11¹ × 199¹ × 5¹ × 7¹ × 563¹
LCM(39402,39410) = 776416410