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Q: What is the first composite Fibonacci number?

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the first seven Fibonacci numbers are 1,1,2,3,5,8,13. 13 is a Fibonacci number.

The first four-digit Fibonacci number is 1597 - equal to 610 + 987.

No. For example: 4181 / 37 = 113 so it can't be prime. But 4181 is the first composite number in the Fibonacci sequence with a prime index. ;)

The first composite number is 4.

0 (zero). It is defined to be positive, and is not in the set of Fibonacci numbers.

Since zero is both a positive number (defined as such), and not part of the Fibonacci sequence, then the first positive non-Fibonacci number is zero (0). If zero does not fit in you definition of positive number, then the answer would be four (4).

According to the link, zero is the first number in the series.

4 is the first composite number greater than 1.

10946

123 is not a Fibonacci number.

The 365th Fibonacci number is 8531073606282249384383143963212896619394786170594625964346924608389878465365.

Yes - 5 is the fifth Fibonacci number.

4

Composite numbers are numbers with more than 2 factors. The first composite number is 4. The next composite numbers are 6, 8, and 9. Thus, the fourth composite number is 9.

The 9th number in the Fibonacci Sequence is 34, and the 10th number in the Fibonacci sequence is 89.

It is composite, and the first give-away is that it is an even number (divisible by 2).

Assuming the Fibonacci sequence starts with the numbers 0, 1, as per sequence A000045, the 24th Fibonacci number is 28657.

20 is not a term in the Fibonacci series.

1123 is not a number included in the Fibonacci Sequence.

middle ages

Fibonacci is famous for his contributions to number theory.

no, one million is not a Fibonacci number the closest to 1000000 is 987618.

Leonardo of Pisa, also known as Fibonacci.

1001

203