How-many-numbers-are-there-which-contain-5-digits-and-the-sum-and-product-of-the-digits-are-both-prime-numbers-

Question Number 160109 by abdullah_ff last updated on 24/Nov/21

How many numbers are there which

contain 5 digits and the sum and

product of the digits are both prime

numbers ?

Commented by abdullah_ff last updated on 25/Nov/21

t h a n X S ir

Commented by MJS_new last updated on 24/Nov/21

5 digits and the product is prime

11112 11121 11211 12111 21111 sum = 6

11113 \dots sum = 7 ★

11115 \dots sum = 9

11117 \dots sum = 11 ★

\Rightarrow 10 numbers

Commented by Kunal12588 last updated on 24/Nov/21

11113 11117 11131 11171 11311 11711 13111 17111 31111 71111 counter: 10 [Program finished]