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What is the Least Common Multiple of 895 and 905?

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 895 and 905 is 161995.

LCM(895,905) = 161995

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Least Common Multiple of 895 and 905 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 895 and 905, than apply into the LCM equation.

GCF(895,905) = 5
LCM(895,905) = ( 895 × 905) / 5
LCM(895,905) = 809975 / 5
LCM(895,905) = 161995

Least Common Multiple (LCM) of 895 and 905 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 895 and 905. First we will calculate the prime factors of 895 and 905.

Prime Factorization of 895

Prime factors of 895 are 5, 179. Prime factorization of 895 in exponential form is:

895 = 51 × 1791

Prime Factorization of 905

Prime factors of 905 are 5, 181. Prime factorization of 905 in exponential form is:

905 = 51 × 1811

Now multiplying the highest exponent prime factors to calculate the LCM of 895 and 905.

LCM(895,905) = 51 × 1791 × 1811
LCM(895,905) = 161995