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