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What is the Least Common Multiple of 64215 and 64225?

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 64215 and 64225 is 824841675.

LCM(64215,64225) = 824841675

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Least Common Multiple of 64215 and 64225 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 64215 and 64225, than apply into the LCM equation.

GCF(64215,64225) = 5
LCM(64215,64225) = ( 64215 × 64225) / 5
LCM(64215,64225) = 4124208375 / 5
LCM(64215,64225) = 824841675

Least Common Multiple (LCM) of 64215 and 64225 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 64215 and 64225. First we will calculate the prime factors of 64215 and 64225.

Prime Factorization of 64215

Prime factors of 64215 are 3, 5, 1427. Prime factorization of 64215 in exponential form is:

64215 = 32 × 51 × 14271

Prime Factorization of 64225

Prime factors of 64225 are 5, 7, 367. Prime factorization of 64225 in exponential form is:

64225 = 52 × 71 × 3671

Now multiplying the highest exponent prime factors to calculate the LCM of 64215 and 64225.

LCM(64215,64225) = 32 × 52 × 14271 × 71 × 3671
LCM(64215,64225) = 824841675