Is 37207021 a prime number?
It is possible to find out using mathematical methods whether a given integer is a prime number or not.
Yes, 37 207 021 is a prime number.
Indeed, the definition of a prime numbers is to have exactly two distinct positive divisors, 1 and itself. A number is a divisor of another number when the remainder of Euclid’s division of the second one by the first one is zero. Concerning the number 37 207 021, the only two divisors are 1 and 37 207 021. Therefore 37 207 021 is a prime number.
As a consequence, 37 207 021 is only a multiple of 1 and 37 207 021.
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Since 37207021 is a prime number, 37207021 is also a deficient number, that is to say 37207021 is a natural integer that is strictly larger than the sum of its proper divisors, i.e., the divisors of 37207021 without 37207021 itself (that is 1, by definition!).