What is the Least Common Multiple of 76401 and 76410?

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 76401 and 76410 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 76401 and 76410, than apply into the LCM equation.

GCF(76401,76410) = 9
LCM(76401,76410) = ( 76401 × 76410) / 9
LCM(76401,76410) = 5837800410 / 9
LCM(76401,76410) = 648644490

Least Common Multiple (LCM) of 76401 and 76410 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 76401 and 76410. First we will calculate the prime factors of 76401 and 76410.

Prime Factorization of 76401

Prime Factorization of 76410

Now multiplying the highest exponent prime factors to calculate the LCM of 76401 and 76410.

LCM(76401,76410) = 3³ × 13¹ × 653¹ × 2¹ × 5¹ × 283¹
LCM(76401,76410) = 648644490