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What is the Least Common Multiple of 897 and 907?

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 897 and 907 is 813579.

LCM(897,907) = 813579

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Least Common Multiple of 897 and 907 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 897 and 907, than apply into the LCM equation.

GCF(897,907) = 1
LCM(897,907) = ( 897 × 907) / 1
LCM(897,907) = 813579 / 1
LCM(897,907) = 813579

Least Common Multiple (LCM) of 897 and 907 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 897 and 907. First we will calculate the prime factors of 897 and 907.

Prime Factorization of 897

Prime factors of 897 are 3, 13, 23. Prime factorization of 897 in exponential form is:

897 = 31 × 131 × 231

Prime Factorization of 907

Prime factors of 907 are 907. Prime factorization of 907 in exponential form is:

907 = 9071

Now multiplying the highest exponent prime factors to calculate the LCM of 897 and 907.

LCM(897,907) = 31 × 131 × 231 × 9071
LCM(897,907) = 813579