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 {8, 2, 5, 29, 17, 12} → ______
- Prime numbers in {27, 25, 15, 13, 3, 17} → ______
- Prime numbers in {27, 7, 11, 21, 2, 5} → ______
- Prime numbers in {21, 8, 2, 15, 23, 5} → ______
- Prime numbers in {27, 5, 8, 17, 19, 12} → ______
- Prime numbers in {23, 27, 15, 13, 12, 25} → ______
- Prime numbers in {27, 21, 13, 2, 11, 5} → ______
- Prime numbers in {23, 3, 25, 21, 12, 13} → ______
- Prime numbers in {17, 7, 29, 15, 9, 19} → ______
- Prime numbers in {23, 2, 11, 3, 13, 19} → ______
- Prime numbers in {8, 21, 25, 19, 12, 9} → ______
- Prime numbers in {7, 13, 9, 29, 15, 21} → ______
- Prime numbers in {5, 21, 29, 17, 19, 27} → ______
- Prime numbers in {23, 3, 13, 15, 2, 19} → ______
- Prime numbers in {21, 27, 17, 29, 3, 2} → ______
- Prime numbers in {7, 21, 25, 2, 13, 17} → ______
- Prime numbers in {3, 9, 15, 29, 25, 13} → ______
- Prime numbers in {12, 9, 7, 8, 27, 5} → ______
- Prime numbers in {29, 2, 11, 8, 25, 19} → ______
- Prime numbers in {9, 13, 2, 23, 27, 3} → ______