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What is the Least Common Multiple of 65155 and 65170?

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 65155 and 65170 is 849230270.

LCM(65155,65170) = 849230270

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Least Common Multiple of 65155 and 65170 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 65155 and 65170, than apply into the LCM equation.

GCF(65155,65170) = 5
LCM(65155,65170) = ( 65155 × 65170) / 5
LCM(65155,65170) = 4246151350 / 5
LCM(65155,65170) = 849230270

Least Common Multiple (LCM) of 65155 and 65170 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 65155 and 65170. First we will calculate the prime factors of 65155 and 65170.

Prime Factorization of 65155

Prime factors of 65155 are 5, 83, 157. Prime factorization of 65155 in exponential form is:

65155 = 51 × 831 × 1571

Prime Factorization of 65170

Prime factors of 65170 are 2, 5, 7, 19. Prime factorization of 65170 in exponential form is:

65170 = 21 × 51 × 73 × 191

Now multiplying the highest exponent prime factors to calculate the LCM of 65155 and 65170.

LCM(65155,65170) = 51 × 831 × 1571 × 21 × 73 × 191
LCM(65155,65170) = 849230270