Prime Numbers and Factors
| N | H | S | A | D | S | Z | D | I | T | Z | N | E |
| H | O | V | I | N | I | J | R | S | E | E | H | L |
| P | R | I | M | E | I | V | E | B | W | A | O | B |
| T | M | R | T | O | V | T | I | L | T | E | R | I |
| A | U | R | X | A | A | E | M | S | T | C | O | S |
| I | L | I | E | E | Z | T | Y | I | O | C | T | I |
| N | T | K | R | D | Q | I | S | P | O | R | C | V |
| T | I | G | N | P | N | O | R | M | H | X | A | I |
| E | P | G | U | S | P | I | M | O | E | K | F | D |
| G | L | O | O | M | M | O | A | C | T | W | I | N |
| E | E | F | O | E | N | A | E | M | O | C | D | S |
| R | T | C | U | D | O | R | P | N | E | R | A | G |
| S | E | N | E | H | T | S | O | T | A | R | E | F |
- COMMON
- COMPOSITE
- COPRIME
- DIVISIBLE
- DIVISOR
- ERATOSTHENES
- FACTOR
- FACTORIZATION
- GREATEST
- INTEGER
- MULTIPLE
- PRIME
- PRODUCT
- REMAINDER
- SIEVE
- TWIN
Primes, composites, and the sieve of ERATOSTHENES show up in this number-theory search. Students exploring factors and multiples will recognize COPRIME, TWIN, and FACTORIZATION as they scan. Play it on screen or print a copy for math class.