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