LCM for 105 and 195

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What's the Least Common Multiple (LCM) of 105 and 195?

Answer

LCM of 105 and 195 is
1,365

First common multiples: 1,365; 2,730; 4,095; …

1,365 is divisible by both: 1,365 ÷ 105 = 13; 1,365 ÷ 195 = 7 — and 13 and 7 share no factor but 1, so no smaller number is. As a common denominator: multiply the top and bottom of x/105 by 13 and of y/195 by 7.

105 = 3 × 5 × 7

195 = 3 × 5 × 13

Prime105195Highest power
3333
5555
77—7
13—1313

— = power 0: the prime is not a factor of this number; the LCM takes it from the number that has it.

LCM = 3 × 5 × 7 × 13 = 1,365

See Also

FAQ

What's the Least Common Multiple (LCM) of 105 and 195?

LCM of 105 and 195 is 1,365

How to find the LCM of 105 and 195 using prime factorization?

To find the LCM of 105 and 195, find all prime factors of both numbers, then multiply the highest power of each prime factor. The result is 1,365.

What is the difference between LCM and GCF?

LCM (Least Common Multiple) is the smallest number divisible by both numbers, while GCF (Greatest Common Factor) is the largest number that divides both. For 105 and 195: LCM = 1,365, GCF = 15.