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