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