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What is the Least Common Multiple of 28061 and 28070?

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 28061 and 28070 is 787672270.

LCM(28061,28070) = 787672270

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Least Common Multiple of 28061 and 28070 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 28061 and 28070, than apply into the LCM equation.

GCF(28061,28070) = 1
LCM(28061,28070) = ( 28061 × 28070) / 1
LCM(28061,28070) = 787672270 / 1
LCM(28061,28070) = 787672270

Least Common Multiple (LCM) of 28061 and 28070 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 28061 and 28070. First we will calculate the prime factors of 28061 and 28070.

Prime Factorization of 28061

Prime factors of 28061 are 11, 2551. Prime factorization of 28061 in exponential form is:

28061 = 111 × 25511

Prime Factorization of 28070

Prime factors of 28070 are 2, 5, 7, 401. Prime factorization of 28070 in exponential form is:

28070 = 21 × 51 × 71 × 4011

Now multiplying the highest exponent prime factors to calculate the LCM of 28061 and 28070.

LCM(28061,28070) = 111 × 25511 × 21 × 51 × 71 × 4011
LCM(28061,28070) = 787672270