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What is the Least Common Multiple of 42910 and 42920?

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 42910 and 42920 is 184169720.

LCM(42910,42920) = 184169720

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Least Common Multiple of 42910 and 42920 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42910 and 42920, than apply into the LCM equation.

GCF(42910,42920) = 10
LCM(42910,42920) = ( 42910 × 42920) / 10
LCM(42910,42920) = 1841697200 / 10
LCM(42910,42920) = 184169720

Least Common Multiple (LCM) of 42910 and 42920 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42910 and 42920. First we will calculate the prime factors of 42910 and 42920.

Prime Factorization of 42910

Prime factors of 42910 are 2, 5, 7, 613. Prime factorization of 42910 in exponential form is:

42910 = 21 × 51 × 71 × 6131

Prime Factorization of 42920

Prime factors of 42920 are 2, 5, 29, 37. Prime factorization of 42920 in exponential form is:

42920 = 23 × 51 × 291 × 371

Now multiplying the highest exponent prime factors to calculate the LCM of 42910 and 42920.

LCM(42910,42920) = 23 × 51 × 71 × 6131 × 291 × 371
LCM(42910,42920) = 184169720