Prime & Composite Worksheet
Recommended for 4th Grade — 6th Grade
Prime & Composite Worksheet
Name: ____________________Date: ____________
Instructions: Identifying prime and composite numbers and writing prime factorizations.
20 problems
- Prime numbers in {2, 9, 17, 25, 7, 5} → ______
- Prime numbers in {17, 8, 29, 25, 15, 5} → ______
- Prime numbers in {11, 2, 17, 12, 3, 19} → ______
- Prime numbers in {25, 27, 23, 3, 15, 19} → ______
- Prime numbers in {23, 5, 3, 29, 27, 8} → ______
- Prime numbers in {7, 29, 23, 2, 19, 9} → ______
- Prime numbers in {11, 29, 9, 27, 7, 25} → ______
- Prime numbers in {23, 29, 8, 21, 11, 25} → ______
- Prime numbers in {9, 7, 15, 2, 5, 11} → ______
- Prime numbers in {12, 7, 21, 27, 13, 25} → ______
- Prime numbers in {9, 21, 13, 7, 2, 25} → ______
- Prime numbers in {17, 2, 19, 23, 5, 25} → ______
- Prime numbers in {7, 25, 9, 3, 12, 27} → ______
- Prime numbers in {11, 25, 2, 13, 29, 15} → ______
- Prime numbers in {23, 5, 29, 21, 13, 25} → ______
- Prime numbers in {27, 12, 23, 21, 9, 13} → ______
- Prime numbers in {12, 8, 23, 11, 5, 15} → ______
- Prime numbers in {9, 7, 15, 23, 8, 21} → ______
- Prime numbers in {7, 21, 3, 19, 9, 25} → ______
- Prime numbers in {2, 25, 12, 23, 13, 17} → ______