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What is the Least Common Multiple of 25402 and 25407?

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 25402 and 25407 is 645388614.

LCM(25402,25407) = 645388614

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Least Common Multiple of 25402 and 25407 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 25402 and 25407, than apply into the LCM equation.

GCF(25402,25407) = 1
LCM(25402,25407) = ( 25402 × 25407) / 1
LCM(25402,25407) = 645388614 / 1
LCM(25402,25407) = 645388614

Least Common Multiple (LCM) of 25402 and 25407 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 25402 and 25407. First we will calculate the prime factors of 25402 and 25407.

Prime Factorization of 25402

Prime factors of 25402 are 2, 13, 977. Prime factorization of 25402 in exponential form is:

25402 = 21 × 131 × 9771

Prime Factorization of 25407

Prime factors of 25407 are 3, 941. Prime factorization of 25407 in exponential form is:

25407 = 33 × 9411

Now multiplying the highest exponent prime factors to calculate the LCM of 25402 and 25407.

LCM(25402,25407) = 21 × 131 × 9771 × 33 × 9411
LCM(25402,25407) = 645388614