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What is the Least Common Multiple of 42210 and 42229?

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 42210 and 42229 is 1782486090.

LCM(42210,42229) = 1782486090

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Least Common Multiple of 42210 and 42229 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42210 and 42229, than apply into the LCM equation.

GCF(42210,42229) = 1
LCM(42210,42229) = ( 42210 × 42229) / 1
LCM(42210,42229) = 1782486090 / 1
LCM(42210,42229) = 1782486090

Least Common Multiple (LCM) of 42210 and 42229 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42210 and 42229. First we will calculate the prime factors of 42210 and 42229.

Prime Factorization of 42210

Prime factors of 42210 are 2, 3, 5, 7, 67. Prime factorization of 42210 in exponential form is:

42210 = 21 × 32 × 51 × 71 × 671

Prime Factorization of 42229

Prime factors of 42229 are 11, 349. Prime factorization of 42229 in exponential form is:

42229 = 112 × 3491

Now multiplying the highest exponent prime factors to calculate the LCM of 42210 and 42229.

LCM(42210,42229) = 21 × 32 × 51 × 71 × 671 × 112 × 3491
LCM(42210,42229) = 1782486090