[BUG] math/prime_factoriziation.c type error

[luyuduan]

Description

AddressSanitizer: heap-buffer-overflow on: math/prime_factoriziation.c:132

int_fact() {
    int *range = (int *)malloc(sizeof(int) * len);
    assert(range);
    Range pstr = (Range)malloc(sizeof(range));  // sizeof(range) "type range" is same with  variable "int *range"
    assert(pstr);
}

Expected behavior

works normally, No error.

Actual behavior

ABORTING

Possible fix

Range pstr = (Range)malloc(sizeof(struct data));  //  This modification works normally 

or

Range pstr = (Range)malloc(sizeof(*pstr));  //  This modification works normally too

Steps to reproduce

None

Context

None

Additional information

No response