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