LCM for 1 and 4

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Least Common Multiple of
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What's the Least Common Multiple (LCM) of 1 and 4?

Answer

LCM of 1 and 4 is
4

First common multiples: 4, 8, 12, …

1 divides every number: the GCF with 1 is always 1, and the LCM is the other number itself — here 4.

1 — no prime factors

4 = 22

Prime14Highest power
2—2222

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

LCM = 22 = 4

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LCM Table

Number 1Number 2LCM
111
122
133
144
155
166
177
188
199
11010
11212
11313
11616
12020
12727
15656
1100100

FAQ

What's the Least Common Multiple (LCM) of 1 and 4?

LCM of 1 and 4 is 4

How to find the LCM of 1 and 4 using prime factorization?

To find the LCM of 1 and 4, find all prime factors of both numbers, then multiply the highest power of each prime factor. The result is 4.

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 1 and 4: LCM = 4, GCF = 1.

See Also