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What is the Least Common Multiple of 64275 and 64280?

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 64275 and 64280 is 826319400.

LCM(64275,64280) = 826319400

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Least Common Multiple of 64275 and 64280 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 64275 and 64280, than apply into the LCM equation.

GCF(64275,64280) = 5
LCM(64275,64280) = ( 64275 × 64280) / 5
LCM(64275,64280) = 4131597000 / 5
LCM(64275,64280) = 826319400

Least Common Multiple (LCM) of 64275 and 64280 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 64275 and 64280. First we will calculate the prime factors of 64275 and 64280.

Prime Factorization of 64275

Prime factors of 64275 are 3, 5, 857. Prime factorization of 64275 in exponential form is:

64275 = 31 × 52 × 8571

Prime Factorization of 64280

Prime factors of 64280 are 2, 5, 1607. Prime factorization of 64280 in exponential form is:

64280 = 23 × 51 × 16071

Now multiplying the highest exponent prime factors to calculate the LCM of 64275 and 64280.

LCM(64275,64280) = 31 × 52 × 8571 × 23 × 16071
LCM(64275,64280) = 826319400