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What is the Least Common Multiple of 870 and 883?

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 870 and 883 is 768210.

LCM(870,883) = 768210

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Least Common Multiple of 870 and 883 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 870 and 883, than apply into the LCM equation.

GCF(870,883) = 1
LCM(870,883) = ( 870 × 883) / 1
LCM(870,883) = 768210 / 1
LCM(870,883) = 768210

Least Common Multiple (LCM) of 870 and 883 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 870 and 883. First we will calculate the prime factors of 870 and 883.

Prime Factorization of 870

Prime factors of 870 are 2, 3, 5, 29. Prime factorization of 870 in exponential form is:

870 = 21 × 31 × 51 × 291

Prime Factorization of 883

Prime factors of 883 are 883. Prime factorization of 883 in exponential form is:

883 = 8831

Now multiplying the highest exponent prime factors to calculate the LCM of 870 and 883.

LCM(870,883) = 21 × 31 × 51 × 291 × 8831
LCM(870,883) = 768210