Question

important fact about no. 7​

Answer 1

Answer:

The number seven is the fourth prime number as also a Mersenne prime, the first Woodall prime, the fourth factorial prime, the second lucky, and the second safe prime. # Seven is the only number below 15 that cannot be represented as a sum of the squares of three integers

Step-by-step explanation:

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Answer 2

Answer:

The number seven is the fourth prime number as also a Mersenne prime, the first Woodall prime, the fourth factorial prime, the second lucky, and the second safe prime. # Seven is the only number below 15 that cannot be represented as a sum of the squares of three integers.