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