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What is the Least Common Multiple of 66490 and 66495?

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 66490 and 66495 is 884250510.

LCM(66490,66495) = 884250510

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Least Common Multiple of 66490 and 66495 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 66490 and 66495, than apply into the LCM equation.

GCF(66490,66495) = 5
LCM(66490,66495) = ( 66490 × 66495) / 5
LCM(66490,66495) = 4421252550 / 5
LCM(66490,66495) = 884250510

Least Common Multiple (LCM) of 66490 and 66495 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 66490 and 66495. First we will calculate the prime factors of 66490 and 66495.

Prime Factorization of 66490

Prime factors of 66490 are 2, 5, 61, 109. Prime factorization of 66490 in exponential form is:

66490 = 21 × 51 × 611 × 1091

Prime Factorization of 66495

Prime factors of 66495 are 3, 5, 11, 13, 31. Prime factorization of 66495 in exponential form is:

66495 = 31 × 51 × 111 × 131 × 311

Now multiplying the highest exponent prime factors to calculate the LCM of 66490 and 66495.

LCM(66490,66495) = 21 × 51 × 611 × 1091 × 31 × 111 × 131 × 311
LCM(66490,66495) = 884250510