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What is the Least Common Multiple of 80436 and 80455?

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 (LCM) of 80436 and 80455 is 6471478380.

LCM(80436,80455) = 6471478380

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Least Common Multiple of 80436 and 80455 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 80436 and 80455, than apply into the LCM equation.

GCF(80436,80455) = 1
LCM(80436,80455) = ( 80436 × 80455) / 1
LCM(80436,80455) = 6471478380 / 1
LCM(80436,80455) = 6471478380

Least Common Multiple (LCM) of 80436 and 80455 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 80436 and 80455. First we will calculate the prime factors of 80436 and 80455.

Prime Factorization of 80436

Prime factors of 80436 are 2, 3, 6703. Prime factorization of 80436 in exponential form is:

80436 = 22 × 31 × 67031

Prime Factorization of 80455

Prime factors of 80455 are 5, 16091. Prime factorization of 80455 in exponential form is:

80455 = 51 × 160911

Now multiplying the highest exponent prime factors to calculate the LCM of 80436 and 80455.

LCM(80436,80455) = 22 × 31 × 67031 × 51 × 160911
LCM(80436,80455) = 6471478380