Question

Explain whether 6×5×4×3×2×1+10 is a prime or a composite number

Answer 1

6X5X4X3X2X1+10=2590

Which is a composite no.

Hope it helps.

Answer 2

6×5×4×3×2×1+10 is a composite number.

Given:

6×5×4×3×2×1+10.

To Find:

Whether 6×5×4×3×2×1+10 is a prime or a composite number.

Solution:

A prime number is a number that is divisible by only two numbers, 1 and the number itself. Composite numbers are those that have more than two multiples.

We know that even numbers are composite.

Note that,

6×5×4×3×2×1+10 = (6×5×4×3×2×1)+10 is a sum of two even numbers.

The sum of two even numbers gives us an even number.

∴ 6×5×4×3×2×1+10 is a composite number.

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