What is the Least Common Multiple of 8456 and 8463?

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 8456 and 8463 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 8456 and 8463, than apply into the LCM equation.

GCF(8456,8463) = 7
LCM(8456,8463) = ( 8456 × 8463) / 7
LCM(8456,8463) = 71563128 / 7
LCM(8456,8463) = 10223304

Least Common Multiple (LCM) of 8456 and 8463 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 8456 and 8463. First we will calculate the prime factors of 8456 and 8463.

Prime Factorization of 8456

Prime Factorization of 8463

Now multiplying the highest exponent prime factors to calculate the LCM of 8456 and 8463.

LCM(8456,8463) = 2³ × 7¹ × 151¹ × 3¹ × 13¹ × 31¹
LCM(8456,8463) = 10223304